83904990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215141}}^1$

素因数の和:215164

約数の個数: 32

約数和(自身を含む): 216863136

約数和(自身を除く): 132958146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 215141, 430282, 645423, 1075705, 1290846, 2151410, 2796833, 3227115, 5593666, 6454230, 8390499, 13984165, 16780998, 27968330, 41952495, 83904990]

約数ペア:

[(1, 83904990), (2, 41952495), (3, 27968330), (5, 16780998), (6, 13984165), (10, 8390499), (13, 6454230), (15, 5593666), (26, 3227115), (30, 2796833), (39, 2151410), (65, 1290846), (78, 1075705), (130, 645423), (195, 430282), (390, 215141)]