291226404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{2221}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 794373888

約数和(自身を除く): 503147484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 223, 294, 446, 588, 669, 892, 1338, 1561, 2221, 2676, 3122, 4442, 4683, 6244, 6663, 8884, 9366, 10927, 13326, 15547, 18732, 21854, 26652, 31094, 32781, 43708, 46641, 62188, 65562, 93282, 108829, 131124, 186564, 217658, 326487, 435316, 495283, 652974, 990566, 1305948, 1485849, 1981132, 2971698, 3466981, 5943396, 6933962, 10400943, 13867924, 20801886, 24268867, 41603772, 48537734, 72806601, 97075468, 145613202, 291226404]

約数ペア:

[(1, 291226404), (2, 145613202), (3, 97075468), (4, 72806601), (6, 48537734), (7, 41603772), (12, 24268867), (14, 20801886), (21, 13867924), (28, 10400943), (42, 6933962), (49, 5943396), (84, 3466981), (98, 2971698), (147, 1981132), (196, 1485849), (223, 1305948), (294, 990566), (446, 652974), (588, 495283), (669, 435316), (892, 326487), (1338, 217658), (1561, 186564), (2221, 131124), (2676, 108829), (3122, 93282), (4442, 65562), (4683, 62188), (6244, 46641), (6663, 43708), (8884, 32781), (9366, 31094), (10927, 26652), (13326, 21854), (15547, 18732)]