261014416

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1163}}^1$

素因数の和:1280

約数の個数: 60

約数和(自身を含む): 554683248

約数和(自身を除く): 293668832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 169, 208, 332, 338, 664, 676, 1079, 1163, 1328, 1352, 2158, 2326, 2704, 4316, 4652, 8632, 9304, 14027, 15119, 17264, 18608, 28054, 30238, 56108, 60476, 96529, 112216, 120952, 193058, 196547, 224432, 241904, 386116, 393094, 772232, 786188, 1254877, 1544464, 1572376, 2509754, 3144752, 5019508, 10039016, 16313401, 20078032, 32626802, 65253604, 130507208, 261014416]

約数ペア:

[(1, 261014416), (2, 130507208), (4, 65253604), (8, 32626802), (13, 20078032), (16, 16313401), (26, 10039016), (52, 5019508), (83, 3144752), (104, 2509754), (166, 1572376), (169, 1544464), (208, 1254877), (332, 786188), (338, 772232), (664, 393094), (676, 386116), (1079, 241904), (1163, 224432), (1328, 196547), (1352, 193058), (2158, 120952), (2326, 112216), (2704, 96529), (4316, 60476), (4652, 56108), (8632, 30238), (9304, 28054), (14027, 18608), (15119, 17264)]