161567488

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 345844800

約数和(自身を除く): 184277312

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 256, 304, 472, 563, 608, 944, 1121, 1126, 1216, 1888, 2242, 2252, 2432, 3776, 4484, 4504, 4864, 7552, 8968, 9008, 10697, 15104, 17936, 18016, 21394, 33217, 35872, 36032, 42788, 66434, 71744, 72064, 85576, 132868, 143488, 144128, 171152, 265736, 286976, 342304, 531472, 631123, 684608, 1062944, 1262246, 1369216, 2125888, 2524492, 2738432, 4251776, 5048984, 8503552, 10097968, 20195936, 40391872, 80783744, 161567488]

約数ペア:

[(1, 161567488), (2, 80783744), (4, 40391872), (8, 20195936), (16, 10097968), (19, 8503552), (32, 5048984), (38, 4251776), (59, 2738432), (64, 2524492), (76, 2125888), (118, 1369216), (128, 1262246), (152, 1062944), (236, 684608), (256, 631123), (304, 531472), (472, 342304), (563, 286976), (608, 265736), (944, 171152), (1121, 144128), (1126, 143488), (1216, 132868), (1888, 85576), (2242, 72064), (2252, 71744), (2432, 66434), (3776, 42788), (4484, 36032), (4504, 35872), (4864, 33217), (7552, 21394), (8968, 18016), (9008, 17936), (10697, 15104)]