131874990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{338141}}^1$

素因数の和:338164

約数の個数: 32

約数和(自身を含む): 340847136

約数和(自身を除く): 208972146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 338141, 676282, 1014423, 1690705, 2028846, 3381410, 4395833, 5072115, 8791666, 10144230, 13187499, 21979165, 26374998, 43958330, 65937495, 131874990]

約数ペア:

[(1, 131874990), (2, 65937495), (3, 43958330), (5, 26374998), (6, 21979165), (10, 13187499), (13, 10144230), (15, 8791666), (26, 5072115), (30, 4395833), (39, 3381410), (65, 2028846), (78, 1690705), (130, 1014423), (195, 676282), (390, 338141)]