397187830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3391}}^1$

素因数の和:3481

約数の個数: 64

約数和(自身を含む): 830850048

約数和(自身を除く): 433662218

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 442, 530, 689, 901, 1105, 1378, 1802, 2210, 3391, 3445, 4505, 6782, 6890, 9010, 11713, 16955, 23426, 33910, 44083, 57647, 58565, 88166, 115294, 117130, 179723, 220415, 288235, 359446, 440830, 576470, 749411, 898615, 1498822, 1797230, 2336399, 3055291, 3747055, 4672798, 6110582, 7494110, 11681995, 15276455, 23363990, 30552910, 39718783, 79437566, 198593915, 397187830]

約数ペア:

[(1, 397187830), (2, 198593915), (5, 79437566), (10, 39718783), (13, 30552910), (17, 23363990), (26, 15276455), (34, 11681995), (53, 7494110), (65, 6110582), (85, 4672798), (106, 3747055), (130, 3055291), (170, 2336399), (221, 1797230), (265, 1498822), (442, 898615), (530, 749411), (689, 576470), (901, 440830), (1105, 359446), (1378, 288235), (1802, 220415), (2210, 179723), (3391, 117130), (3445, 115294), (4505, 88166), (6782, 58565), (6890, 57647), (9010, 44083), (11713, 33910), (16955, 23426)]