818255844

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{40087}}^1$

素因数の和:40116

約数の個数: 84

約数和(自身を含む): 2453706304

約数和(自身を除く): 1635450460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 5103, 6804, 10206, 20412, 40087, 80174, 120261, 160348, 240522, 280609, 360783, 481044, 561218, 721566, 841827, 1082349, 1122436, 1443132, 1683654, 2164698, 2525481, 3247047, 3367308, 4329396, 5050962, 6494094, 7576443, 9741141, 10101924, 12988188, 15152886, 19482282, 22729329, 29223423, 30305772, 38964564, 45458658, 58446846, 68187987, 90917316, 116893692, 136375974, 204563961, 272751948, 409127922, 818255844]

約数ペア:

[(1, 818255844), (2, 409127922), (3, 272751948), (4, 204563961), (6, 136375974), (7, 116893692), (9, 90917316), (12, 68187987), (14, 58446846), (18, 45458658), (21, 38964564), (27, 30305772), (28, 29223423), (36, 22729329), (42, 19482282), (54, 15152886), (63, 12988188), (81, 10101924), (84, 9741141), (108, 7576443), (126, 6494094), (162, 5050962), (189, 4329396), (243, 3367308), (252, 3247047), (324, 2525481), (378, 2164698), (486, 1683654), (567, 1443132), (729, 1122436), (756, 1082349), (972, 841827), (1134, 721566), (1458, 561218), (1701, 481044), (2268, 360783), (2916, 280609), (3402, 240522), (5103, 160348), (6804, 120261), (10206, 80174), (20412, 40087)]