28328976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 120

約数和(自身を含む): 87902360

約数和(自身を除く): 59573384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 37, 39, 48, 52, 72, 74, 78, 104, 111, 117, 144, 148, 156, 208, 222, 234, 296, 312, 333, 409, 444, 468, 481, 592, 624, 666, 818, 888, 936, 962, 1227, 1332, 1443, 1636, 1776, 1872, 1924, 2454, 2664, 2886, 3272, 3681, 3848, 4329, 4908, 5317, 5328, 5772, 6544, 7362, 7696, 8658, 9816, 10634, 11544, 14724, 15133, 15951, 17316, 19632, 21268, 23088, 29448, 30266, 31902, 34632, 42536, 45399, 47853, 58896, 60532, 63804, 69264, 85072, 90798, 95706, 121064, 127608, 136197, 181596, 191412, 196729, 242128, 255216, 272394, 363192, 382824, 393458, 544788, 590187, 726384, 765648, 786916, 1089576, 1180374, 1573832, 1770561, 2179152, 2360748, 3147664, 3541122, 4721496, 7082244, 9442992, 14164488, 28328976]

約数ペア:

[(1, 28328976), (2, 14164488), (3, 9442992), (4, 7082244), (6, 4721496), (8, 3541122), (9, 3147664), (12, 2360748), (13, 2179152), (16, 1770561), (18, 1573832), (24, 1180374), (26, 1089576), (36, 786916), (37, 765648), (39, 726384), (48, 590187), (52, 544788), (72, 393458), (74, 382824), (78, 363192), (104, 272394), (111, 255216), (117, 242128), (144, 196729), (148, 191412), (156, 181596), (208, 136197), (222, 127608), (234, 121064), (296, 95706), (312, 90798), (333, 85072), (409, 69264), (444, 63804), (468, 60532), (481, 58896), (592, 47853), (624, 45399), (666, 42536), (818, 34632), (888, 31902), (936, 30266), (962, 29448), (1227, 23088), (1332, 21268), (1443, 19632), (1636, 17316), (1776, 15951), (1872, 15133), (1924, 14724), (2454, 11544), (2664, 10634), (2886, 9816), (3272, 8658), (3681, 7696), (3848, 7362), (4329, 6544), (4908, 5772), (5317, 5328)]