89901812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22453}}^1$

素因数の和:22488

約数の個数: 48

約数和(自身を含む): 211247232

約数和(自身を除く): 121345420

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 22453, 44906, 89812, 157171, 246983, 291889, 314342, 493966, 583778, 628684, 987932, 1167556, 1728881, 2043223, 3210779, 3457762, 4086446, 6421558, 6915524, 8172892, 12843116, 22475453, 44950906, 89901812]

約数ペア:

[(1, 89901812), (2, 44950906), (4, 22475453), (7, 12843116), (11, 8172892), (13, 6915524), (14, 6421558), (22, 4086446), (26, 3457762), (28, 3210779), (44, 2043223), (52, 1728881), (77, 1167556), (91, 987932), (143, 628684), (154, 583778), (182, 493966), (286, 314342), (308, 291889), (364, 246983), (572, 157171), (1001, 89812), (2002, 44906), (4004, 22453)]