25690808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 59965920

約数和(自身を除く): 34275112

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1321, 1496, 1768, 2431, 2642, 4862, 5284, 9724, 10568, 14531, 17173, 19448, 22457, 29062, 34346, 44914, 58124, 68692, 89828, 116248, 137384, 179656, 188903, 247027, 291941, 377806, 494054, 583882, 755612, 988108, 1167764, 1511224, 1976216, 2335528, 3211351, 6422702, 12845404, 25690808]

約数ペア:

[(1, 25690808), (2, 12845404), (4, 6422702), (8, 3211351), (11, 2335528), (13, 1976216), (17, 1511224), (22, 1167764), (26, 988108), (34, 755612), (44, 583882), (52, 494054), (68, 377806), (88, 291941), (104, 247027), (136, 188903), (143, 179656), (187, 137384), (221, 116248), (286, 89828), (374, 68692), (442, 58124), (572, 44914), (748, 34346), (884, 29062), (1144, 22457), (1321, 19448), (1496, 17173), (1768, 14531), (2431, 10568), (2642, 9724), (4862, 5284)]