267647575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 381913056

約数和(自身を除く): 114265481

約数列:

[1, 5, 13, 17, 25, 65, 85, 193, 221, 251, 325, 425, 965, 1105, 1255, 2509, 3263, 3281, 4267, 4825, 5525, 6275, 12545, 16315, 16405, 21335, 42653, 48443, 55471, 62725, 81575, 82025, 106675, 213265, 242215, 277355, 629759, 823531, 1066325, 1211075, 1386775, 3148795, 4117655, 10705903, 15743975, 20588275, 53529515, 267647575]

約数ペア:

[(1, 267647575), (5, 53529515), (13, 20588275), (17, 15743975), (25, 10705903), (65, 4117655), (85, 3148795), (193, 1386775), (221, 1211075), (251, 1066325), (325, 823531), (425, 629759), (965, 277355), (1105, 242215), (1255, 213265), (2509, 106675), (3263, 82025), (3281, 81575), (4267, 62725), (4825, 55471), (5525, 48443), (6275, 42653), (12545, 21335), (16315, 16405)]