161291264

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{5081}}^1$

素因数の和:5132

約数の個数: 44

約数和(自身を含む): 332891328

約数和(自身を除く): 171600064

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 3968, 5081, 7936, 10162, 15872, 20324, 31744, 40648, 81296, 157511, 162592, 315022, 325184, 630044, 650368, 1260088, 1300736, 2520176, 2601472, 5040352, 5202944, 10080704, 20161408, 40322816, 80645632, 161291264]

約数ペア:

[(1, 161291264), (2, 80645632), (4, 40322816), (8, 20161408), (16, 10080704), (31, 5202944), (32, 5040352), (62, 2601472), (64, 2520176), (124, 1300736), (128, 1260088), (248, 650368), (256, 630044), (496, 325184), (512, 315022), (992, 162592), (1024, 157511), (1984, 81296), (3968, 40648), (5081, 31744), (7936, 20324), (10162, 15872)]