257054646745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{447211}}^1$

素因数の和:447505

約数の個数: 32

約数和(自身を含む): 342600168960

約数和(自身を除く): 85545522215

約数列:

[1, 5, 13, 37, 65, 185, 239, 481, 1195, 2405, 3107, 8843, 15535, 44215, 114959, 447211, 574795, 2236055, 5813743, 16546807, 29068715, 82734035, 106883429, 215108491, 534417145, 1075542455, 1389484577, 3954686873, 6947422885, 19773434365, 51410929349, 257054646745]

約数ペア:

[(1, 257054646745), (5, 51410929349), (13, 19773434365), (37, 6947422885), (65, 3954686873), (185, 1389484577), (239, 1075542455), (481, 534417145), (1195, 215108491), (2405, 106883429), (3107, 82734035), (8843, 29068715), (15535, 16546807), (44215, 5813743), (114959, 2236055), (447211, 574795)]