198406910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{10243}}^1$

素因数の和:10412

約数の個数: 32

約数和(自身を含む): 387223200

約数和(自身を除く): 188816290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 10243, 19370, 20486, 51215, 102430, 133159, 266318, 665795, 1331590, 1526207, 3052414, 7631035, 15262070, 19840691, 39681382, 99203455, 198406910]

約数ペア:

[(1, 198406910), (2, 99203455), (5, 39681382), (10, 19840691), (13, 15262070), (26, 7631035), (65, 3052414), (130, 1526207), (149, 1331590), (298, 665795), (745, 266318), (1490, 133159), (1937, 102430), (3874, 51215), (9685, 20486), (10243, 19370)]