13990990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 27288576

約数和(自身を除く): 13297586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 383, 562, 766, 1405, 1915, 2810, 3653, 3830, 4979, 7306, 9958, 18265, 24895, 36530, 49790, 107623, 215246, 538115, 1076230, 1399099, 2798198, 6995495, 13990990]

約数ペア:

[(1, 13990990), (2, 6995495), (5, 2798198), (10, 1399099), (13, 1076230), (26, 538115), (65, 215246), (130, 107623), (281, 49790), (383, 36530), (562, 24895), (766, 18265), (1405, 9958), (1915, 7306), (2810, 4979), (3653, 3830)]