213815556

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 560711424

約数和(自身を除く): 346895868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 283, 372, 558, 566, 677, 849, 1116, 1132, 1354, 1698, 2031, 2547, 2708, 3396, 4062, 5094, 6093, 8124, 8773, 10188, 12186, 17546, 20987, 24372, 26319, 35092, 41974, 52638, 62961, 78957, 83948, 105276, 125922, 157914, 188883, 191591, 251844, 315828, 377766, 383182, 574773, 755532, 766364, 1149546, 1724319, 2299092, 3448638, 5939321, 6897276, 11878642, 17817963, 23757284, 35635926, 53453889, 71271852, 106907778, 213815556]

約数ペア:

[(1, 213815556), (2, 106907778), (3, 71271852), (4, 53453889), (6, 35635926), (9, 23757284), (12, 17817963), (18, 11878642), (31, 6897276), (36, 5939321), (62, 3448638), (93, 2299092), (124, 1724319), (186, 1149546), (279, 766364), (283, 755532), (372, 574773), (558, 383182), (566, 377766), (677, 315828), (849, 251844), (1116, 191591), (1132, 188883), (1354, 157914), (1698, 125922), (2031, 105276), (2547, 83948), (2708, 78957), (3396, 62961), (4062, 52638), (5094, 41974), (6093, 35092), (8124, 26319), (8773, 24372), (10188, 20987), (12186, 17546)]