90603890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1997}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 176223600

約数和(自身を除く): 85619710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 1997, 3490, 3994, 4537, 9074, 9985, 19970, 22685, 25961, 45370, 51922, 129805, 259610, 696953, 1393906, 3484765, 6969530, 9060389, 18120778, 45301945, 90603890]

約数ペア:

[(1, 90603890), (2, 45301945), (5, 18120778), (10, 9060389), (13, 6969530), (26, 3484765), (65, 1393906), (130, 696953), (349, 259610), (698, 129805), (1745, 51922), (1997, 45370), (3490, 25961), (3994, 22685), (4537, 19970), (9074, 9985)]