2718690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6971}}^1$

素因数の和:6994

約数の個数: 32

約数和(自身を含む): 7027776

約数和(自身を除く): 4309086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6971, 13942, 20913, 34855, 41826, 69710, 90623, 104565, 181246, 209130, 271869, 453115, 543738, 906230, 1359345, 2718690]

約数ペア:

[(1, 2718690), (2, 1359345), (3, 906230), (5, 543738), (6, 453115), (10, 271869), (13, 209130), (15, 181246), (26, 104565), (30, 90623), (39, 69710), (65, 41826), (78, 34855), (130, 20913), (195, 13942), (390, 6971)]