25285884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 67208400

約数和(自身を除く): 41922516

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 449, 494, 722, 741, 898, 988, 1083, 1347, 1444, 1482, 1796, 2166, 2694, 2964, 4332, 4693, 5388, 5837, 8531, 9386, 11674, 14079, 17062, 17511, 18772, 23348, 25593, 28158, 34124, 35022, 51186, 56316, 70044, 102372, 110903, 162089, 221806, 324178, 332709, 443612, 486267, 648356, 665418, 972534, 1330836, 1945068, 2107157, 4214314, 6321471, 8428628, 12642942, 25285884]

約数ペア:

[(1, 25285884), (2, 12642942), (3, 8428628), (4, 6321471), (6, 4214314), (12, 2107157), (13, 1945068), (19, 1330836), (26, 972534), (38, 665418), (39, 648356), (52, 486267), (57, 443612), (76, 332709), (78, 324178), (114, 221806), (156, 162089), (228, 110903), (247, 102372), (361, 70044), (449, 56316), (494, 51186), (722, 35022), (741, 34124), (898, 28158), (988, 25593), (1083, 23348), (1347, 18772), (1444, 17511), (1482, 17062), (1796, 14079), (2166, 11674), (2694, 9386), (2964, 8531), (4332, 5837), (4693, 5388)]