427858990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 837334800

約数和(自身を除く): 409475810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 409, 619, 818, 845, 1238, 1690, 2045, 3095, 4090, 5317, 6190, 8047, 10634, 16094, 26585, 40235, 53170, 69121, 80470, 104611, 138242, 209222, 253171, 345605, 506342, 523055, 691210, 1046110, 1265855, 2531710, 3291223, 6582446, 16456115, 32912230, 42785899, 85571798, 213929495, 427858990]

約数ペア:

[(1, 427858990), (2, 213929495), (5, 85571798), (10, 42785899), (13, 32912230), (26, 16456115), (65, 6582446), (130, 3291223), (169, 2531710), (338, 1265855), (409, 1046110), (619, 691210), (818, 523055), (845, 506342), (1238, 345605), (1690, 253171), (2045, 209222), (3095, 138242), (4090, 104611), (5317, 80470), (6190, 69121), (8047, 53170), (10634, 40235), (16094, 26585)]