51585290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 94770000

約数和(自身を除く): 43184710

約数列:

[1, 2, 5, 10, 89, 149, 178, 298, 389, 445, 745, 778, 890, 1490, 1945, 3890, 13261, 26522, 34621, 57961, 66305, 69242, 115922, 132610, 173105, 289805, 346210, 579610, 5158529, 10317058, 25792645, 51585290]

約数ペア:

[(1, 51585290), (2, 25792645), (5, 10317058), (10, 5158529), (89, 579610), (149, 346210), (178, 289805), (298, 173105), (389, 132610), (445, 115922), (745, 69242), (778, 66305), (890, 57961), (1490, 34621), (1945, 26522), (3890, 13261)]