221262588

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 570570000

約数和(自身を除く): 349307412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 113, 218, 226, 327, 339, 436, 452, 499, 654, 678, 981, 998, 1017, 1308, 1356, 1497, 1962, 1996, 2034, 2994, 3924, 4068, 4491, 5988, 8982, 12317, 17964, 24634, 36951, 49268, 54391, 56387, 73902, 108782, 110853, 112774, 147804, 163173, 169161, 217564, 221706, 225548, 326346, 338322, 443412, 489519, 507483, 652692, 676644, 979038, 1014966, 1958076, 2029932, 6146183, 12292366, 18438549, 24584732, 36877098, 55315647, 73754196, 110631294, 221262588]

約数ペア:

[(1, 221262588), (2, 110631294), (3, 73754196), (4, 55315647), (6, 36877098), (9, 24584732), (12, 18438549), (18, 12292366), (36, 6146183), (109, 2029932), (113, 1958076), (218, 1014966), (226, 979038), (327, 676644), (339, 652692), (436, 507483), (452, 489519), (499, 443412), (654, 338322), (678, 326346), (981, 225548), (998, 221706), (1017, 217564), (1308, 169161), (1356, 163173), (1497, 147804), (1962, 112774), (1996, 110853), (2034, 108782), (2994, 73902), (3924, 56387), (4068, 54391), (4491, 49268), (5988, 36951), (8982, 24634), (12317, 17964)]