31132790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3464

約数の個数: 32

約数和(自身を含む): 61217856

約数和(自身を除く): 30085066

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 3373, 4615, 6746, 9230, 16865, 33730, 43849, 87698, 219245, 239483, 438490, 478966, 1197415, 2394830, 3113279, 6226558, 15566395, 31132790]

約数ペア:

[(1, 31132790), (2, 15566395), (5, 6226558), (10, 3113279), (13, 2394830), (26, 1197415), (65, 478966), (71, 438490), (130, 239483), (142, 219245), (355, 87698), (710, 43849), (923, 33730), (1846, 16865), (3373, 9230), (4615, 6746)]