991396368

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:638

約数の個数: 160

約数和(自身を含む): 2960921600

約数和(自身を除く): 1969525232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 181, 186, 216, 248, 279, 362, 372, 409, 432, 496, 543, 558, 724, 744, 818, 837, 1086, 1116, 1227, 1448, 1488, 1629, 1636, 1674, 2172, 2232, 2454, 2896, 3258, 3272, 3348, 3681, 4344, 4464, 4887, 4908, 5611, 6516, 6544, 6696, 7362, 8688, 9774, 9816, 11043, 11222, 12679, 13032, 13392, 14724, 16833, 19548, 19632, 22086, 22444, 25358, 26064, 29448, 33666, 38037, 39096, 44172, 44888, 50499, 50716, 58896, 67332, 74029, 76074, 78192, 88344, 89776, 100998, 101432, 114111, 134664, 148058, 151497, 152148, 176688, 201996, 202864, 222087, 228222, 269328, 296116, 302994, 304296, 342333, 403992, 444174, 456444, 592232, 605988, 608592, 666261, 684666, 807984, 888348, 912888, 1184464, 1211976, 1332522, 1369332, 1776696, 1825776, 1998783, 2294899, 2423952, 2665044, 2738664, 3553392, 3997566, 4589798, 5330088, 5477328, 6884697, 7995132, 9179596, 10660176, 13769394, 15990264, 18359192, 20654091, 27538788, 31980528, 36718384, 41308182, 55077576, 61962273, 82616364, 110155152, 123924546, 165232728, 247849092, 330465456, 495698184, 991396368]

約数ペア:

[(1, 991396368), (2, 495698184), (3, 330465456), (4, 247849092), (6, 165232728), (8, 123924546), (9, 110155152), (12, 82616364), (16, 61962273), (18, 55077576), (24, 41308182), (27, 36718384), (31, 31980528), (36, 27538788), (48, 20654091), (54, 18359192), (62, 15990264), (72, 13769394), (93, 10660176), (108, 9179596), (124, 7995132), (144, 6884697), (181, 5477328), (186, 5330088), (216, 4589798), (248, 3997566), (279, 3553392), (362, 2738664), (372, 2665044), (409, 2423952), (432, 2294899), (496, 1998783), (543, 1825776), (558, 1776696), (724, 1369332), (744, 1332522), (818, 1211976), (837, 1184464), (1086, 912888), (1116, 888348), (1227, 807984), (1448, 684666), (1488, 666261), (1629, 608592), (1636, 605988), (1674, 592232), (2172, 456444), (2232, 444174), (2454, 403992), (2896, 342333), (3258, 304296), (3272, 302994), (3348, 296116), (3681, 269328), (4344, 228222), (4464, 222087), (4887, 202864), (4908, 201996), (5611, 176688), (6516, 152148), (6544, 151497), (6696, 148058), (7362, 134664), (8688, 114111), (9774, 101432), (9816, 100998), (11043, 89776), (11222, 88344), (12679, 78192), (13032, 76074), (13392, 74029), (14724, 67332), (16833, 58896), (19548, 50716), (19632, 50499), (22086, 44888), (22444, 44172), (25358, 39096), (26064, 38037), (29448, 33666)]