31137890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2729}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 64471680

約数和(自身を除く): 33333790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 2729, 5458, 5705, 11410, 13645, 19103, 27290, 38206, 95515, 191030, 444827, 889654, 2224135, 3113789, 4448270, 6227578, 15568945, 31137890]

約数ペア:

[(1, 31137890), (2, 15568945), (5, 6227578), (7, 4448270), (10, 3113789), (14, 2224135), (35, 889654), (70, 444827), (163, 191030), (326, 95515), (815, 38206), (1141, 27290), (1630, 19103), (2282, 13645), (2729, 11410), (5458, 5705)]