31438216

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 61459200

約数和(自身を除く): 30020984

約数列:

[1, 2, 4, 8, 31, 62, 109, 124, 218, 248, 436, 872, 1163, 2326, 3379, 4652, 6758, 9304, 13516, 27032, 36053, 72106, 126767, 144212, 253534, 288424, 507068, 1014136, 3929777, 7859554, 15719108, 31438216]

約数ペア:

[(1, 31438216), (2, 15719108), (4, 7859554), (8, 3929777), (31, 1014136), (62, 507068), (109, 288424), (124, 253534), (218, 144212), (248, 126767), (436, 72106), (872, 36053), (1163, 27032), (2326, 13516), (3379, 9304), (4652, 6758)]