31523716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 64979712

約数和(自身を除く): 33455996

約数列:

[1, 2, 4, 7, 14, 28, 71, 101, 142, 157, 202, 284, 314, 404, 497, 628, 707, 994, 1099, 1414, 1988, 2198, 2828, 4396, 7171, 11147, 14342, 15857, 22294, 28684, 31714, 44588, 50197, 63428, 78029, 100394, 110999, 156058, 200788, 221998, 312116, 443996, 1125847, 2251694, 4503388, 7880929, 15761858, 31523716]

約数ペア:

[(1, 31523716), (2, 15761858), (4, 7880929), (7, 4503388), (14, 2251694), (28, 1125847), (71, 443996), (101, 312116), (142, 221998), (157, 200788), (202, 156058), (284, 110999), (314, 100394), (404, 78029), (497, 63428), (628, 50197), (707, 44588), (994, 31714), (1099, 28684), (1414, 22294), (1988, 15857), (2198, 14342), (2828, 11147), (4396, 7171)]