28679976

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 84145230

約数和(自身を除く): 55465254

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2357, 3042, 4056, 4714, 6084, 7071, 9428, 12168, 14142, 18856, 21213, 28284, 30641, 42426, 56568, 61282, 84852, 91923, 122564, 169704, 183846, 245128, 275769, 367692, 398333, 551538, 735384, 796666, 1103076, 1194999, 1593332, 2206152, 2389998, 3186664, 3584997, 4779996, 7169994, 9559992, 14339988, 28679976]

約数ペア:

[(1, 28679976), (2, 14339988), (3, 9559992), (4, 7169994), (6, 4779996), (8, 3584997), (9, 3186664), (12, 2389998), (13, 2206152), (18, 1593332), (24, 1194999), (26, 1103076), (36, 796666), (39, 735384), (52, 551538), (72, 398333), (78, 367692), (104, 275769), (117, 245128), (156, 183846), (169, 169704), (234, 122564), (312, 91923), (338, 84852), (468, 61282), (507, 56568), (676, 42426), (936, 30641), (1014, 28284), (1352, 21213), (1521, 18856), (2028, 14142), (2357, 12168), (3042, 9428), (4056, 7071), (4714, 6084)]