3913130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 7838208

約数和(自身を除く): 3925078

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 971, 1942, 2015, 4030, 4855, 9710, 12623, 25246, 30101, 60202, 63115, 126230, 150505, 301010, 391313, 782626, 1956565, 3913130]

約数ペア:

[(1, 3913130), (2, 1956565), (5, 782626), (10, 391313), (13, 301010), (26, 150505), (31, 126230), (62, 63115), (65, 60202), (130, 30101), (155, 25246), (310, 12623), (403, 9710), (806, 4855), (971, 4030), (1942, 2015)]