53113151

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 73785600

約数和(自身を除く): 20672449

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 139, 169, 221, 247, 323, 973, 1183, 1547, 1729, 1807, 2261, 2363, 2641, 2873, 3211, 4199, 12649, 16541, 18487, 20111, 22477, 23491, 29393, 30719, 34333, 44897, 54587, 164437, 215033, 240331, 314279, 382109, 399347, 446329, 583661, 2795429, 3124303, 4085627, 7587593, 53113151]

約数ペア:

[(1, 53113151), (7, 7587593), (13, 4085627), (17, 3124303), (19, 2795429), (91, 583661), (119, 446329), (133, 399347), (139, 382109), (169, 314279), (221, 240331), (247, 215033), (323, 164437), (973, 54587), (1183, 44897), (1547, 34333), (1729, 30719), (1807, 29393), (2261, 23491), (2363, 22477), (2641, 20111), (2873, 18487), (3211, 16541), (4199, 12649)]