204231924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1553}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 558302472

約数和(自身を除く): 354070548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 281, 468, 562, 843, 1124, 1553, 1686, 2529, 3106, 3372, 3653, 4659, 5058, 6212, 7306, 9318, 10116, 10959, 13977, 14612, 18636, 20189, 21918, 27954, 32877, 40378, 43836, 55908, 60567, 65754, 80756, 121134, 131508, 181701, 242268, 363402, 436393, 726804, 872786, 1309179, 1745572, 2618358, 3927537, 5236716, 5673109, 7855074, 11346218, 15710148, 17019327, 22692436, 34038654, 51057981, 68077308, 102115962, 204231924]

約数ペア:

[(1, 204231924), (2, 102115962), (3, 68077308), (4, 51057981), (6, 34038654), (9, 22692436), (12, 17019327), (13, 15710148), (18, 11346218), (26, 7855074), (36, 5673109), (39, 5236716), (52, 3927537), (78, 2618358), (117, 1745572), (156, 1309179), (234, 872786), (281, 726804), (468, 436393), (562, 363402), (843, 242268), (1124, 181701), (1553, 131508), (1686, 121134), (2529, 80756), (3106, 65754), (3372, 60567), (3653, 55908), (4659, 43836), (5058, 40378), (6212, 32877), (7306, 27954), (9318, 21918), (10116, 20189), (10959, 18636), (13977, 14612)]