157235968

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{19813}}^1$

素因数の和:19860

約数の個数: 36

約数和(自身を含む): 323998528

約数和(自身を除く): 166762560

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 19813, 39626, 79252, 158504, 317008, 614203, 634016, 1228406, 1268032, 2456812, 2536064, 4913624, 5072128, 9827248, 19654496, 39308992, 78617984, 157235968]

約数ペア:

[(1, 157235968), (2, 78617984), (4, 39308992), (8, 19654496), (16, 9827248), (31, 5072128), (32, 4913624), (62, 2536064), (64, 2456812), (124, 1268032), (128, 1228406), (248, 634016), (256, 614203), (496, 317008), (992, 158504), (1984, 79252), (3968, 39626), (7936, 19813)]