393993730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{20071}}^1$

素因数の和:20242

約数の個数: 32

約数和(自身を含む): 768837888

約数和(自身を除く): 374844158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 9815, 19630, 20071, 40142, 100355, 200710, 260923, 521846, 1304615, 2609230, 3030721, 6061442, 15153605, 30307210, 39399373, 78798746, 196996865, 393993730]

約数ペア:

[(1, 393993730), (2, 196996865), (5, 78798746), (10, 39399373), (13, 30307210), (26, 15153605), (65, 6061442), (130, 3030721), (151, 2609230), (302, 1304615), (755, 521846), (1510, 260923), (1963, 200710), (3926, 100355), (9815, 40142), (19630, 20071)]