30994730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7742

約数の個数: 32

約数和(自身を含む): 62028288

約数和(自身を除く): 31033558

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7691, 15382, 38455, 76910, 99983, 199966, 238421, 476842, 499915, 999830, 1192105, 2384210, 3099473, 6198946, 15497365, 30994730]

約数ペア:

[(1, 30994730), (2, 15497365), (5, 6198946), (10, 3099473), (13, 2384210), (26, 1192105), (31, 999830), (62, 499915), (65, 476842), (130, 238421), (155, 199966), (310, 99983), (403, 76910), (806, 38455), (2015, 15382), (4030, 7691)]