639156969122

素因数分解:

$2^1\times 7^2\times {\mathrm{2579}}^1\times {\mathrm{2528891}}^1$

素因数の和:2531486

約数の個数: 24

約数和(自身を含む): 1115696572560

約数和(自身を除く): 476539603438

約数列:

[1, 2, 7, 14, 49, 98, 2579, 5158, 18053, 36106, 126371, 252742, 2528891, 5057782, 17702237, 35404474, 123915659, 247831318, 6522009889, 13044019778, 45654069223, 91308138446, 319578484561, 639156969122]

約数ペア:

[(1, 639156969122), (2, 319578484561), (7, 91308138446), (14, 45654069223), (49, 13044019778), (98, 6522009889), (2579, 247831318), (5158, 123915659), (18053, 35404474), (36106, 17702237), (126371, 5057782), (252742, 2528891)]