28847988

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:796

約数の個数: 84

約数和(自身を含む): 81620868

約数和(自身を除く): 52772880

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 729, 761, 972, 1053, 1404, 1458, 1522, 2106, 2283, 2916, 3044, 3159, 4212, 4566, 6318, 6849, 9132, 9477, 9893, 12636, 13698, 18954, 19786, 20547, 27396, 29679, 37908, 39572, 41094, 59358, 61641, 82188, 89037, 118716, 123282, 178074, 184923, 246564, 267111, 356148, 369846, 534222, 554769, 739692, 801333, 1068444, 1109538, 1602666, 2219076, 2403999, 3205332, 4807998, 7211997, 9615996, 14423994, 28847988]

約数ペア:

[(1, 28847988), (2, 14423994), (3, 9615996), (4, 7211997), (6, 4807998), (9, 3205332), (12, 2403999), (13, 2219076), (18, 1602666), (26, 1109538), (27, 1068444), (36, 801333), (39, 739692), (52, 554769), (54, 534222), (78, 369846), (81, 356148), (108, 267111), (117, 246564), (156, 184923), (162, 178074), (234, 123282), (243, 118716), (324, 89037), (351, 82188), (468, 61641), (486, 59358), (702, 41094), (729, 39572), (761, 37908), (972, 29679), (1053, 27396), (1404, 20547), (1458, 19786), (1522, 18954), (2106, 13698), (2283, 12636), (2916, 9893), (3044, 9477), (3159, 9132), (4212, 6849), (4566, 6318)]