13981630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 27343008

約数和(自身を除く): 13361378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 821, 1310, 1642, 1703, 3406, 4105, 8210, 8515, 10673, 17030, 21346, 53365, 106730, 107551, 215102, 537755, 1075510, 1398163, 2796326, 6990815, 13981630]

約数ペア:

[(1, 13981630), (2, 6990815), (5, 2796326), (10, 1398163), (13, 1075510), (26, 537755), (65, 215102), (130, 107551), (131, 106730), (262, 53365), (655, 21346), (821, 17030), (1310, 10673), (1642, 8515), (1703, 8210), (3406, 4105)]