257047264

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4919}}^1$

素因数の和:5023

約数の個数: 48

約数和(自身を含む): 535610880

約数和(自身を除く): 278563616

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 71, 92, 142, 184, 284, 368, 568, 736, 1136, 1633, 2272, 3266, 4919, 6532, 9838, 13064, 19676, 26128, 39352, 52256, 78704, 113137, 157408, 226274, 349249, 452548, 698498, 905096, 1396996, 1810192, 2793992, 3620384, 5587984, 8032727, 11175968, 16065454, 32130908, 64261816, 128523632, 257047264]

約数ペア:

[(1, 257047264), (2, 128523632), (4, 64261816), (8, 32130908), (16, 16065454), (23, 11175968), (32, 8032727), (46, 5587984), (71, 3620384), (92, 2793992), (142, 1810192), (184, 1396996), (284, 905096), (368, 698498), (568, 452548), (736, 349249), (1136, 226274), (1633, 157408), (2272, 113137), (3266, 78704), (4919, 52256), (6532, 39352), (9838, 26128), (13064, 19676)]