7878390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20224

約数の個数: 32

約数和(自身を含む): 20363616

約数和(自身を除く): 12485226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20201, 40402, 60603, 101005, 121206, 202010, 262613, 303015, 525226, 606030, 787839, 1313065, 1575678, 2626130, 3939195, 7878390]

約数ペア:

[(1, 7878390), (2, 3939195), (3, 2626130), (5, 1575678), (6, 1313065), (10, 787839), (13, 606030), (15, 525226), (26, 303015), (30, 262613), (39, 202010), (65, 121206), (78, 101005), (130, 60603), (195, 40402), (390, 20201)]