258804390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{663601}}^1$

素因数の和:663624

約数の個数: 32

約数和(自身を含む): 668910816

約数和(自身を除く): 410106426

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 663601, 1327202, 1990803, 3318005, 3981606, 6636010, 8626813, 9954015, 17253626, 19908030, 25880439, 43134065, 51760878, 86268130, 129402195, 258804390]

約数ペア:

[(1, 258804390), (2, 129402195), (3, 86268130), (5, 51760878), (6, 43134065), (10, 25880439), (13, 19908030), (15, 17253626), (26, 9954015), (30, 8626813), (39, 6636010), (65, 3981606), (78, 3318005), (130, 1990803), (195, 1327202), (390, 663601)]