78894010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4073}}^1$

素因数の和:4242

約数の個数: 32

約数和(自身を含む): 153997200

約数和(自身を除く): 75103190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 4073, 8146, 9685, 19370, 20365, 40730, 52949, 105898, 264745, 529490, 606877, 1213754, 3034385, 6068770, 7889401, 15778802, 39447005, 78894010]

約数ペア:

[(1, 78894010), (2, 39447005), (5, 15778802), (10, 7889401), (13, 6068770), (26, 3034385), (65, 1213754), (130, 606877), (149, 529490), (298, 264745), (745, 105898), (1490, 52949), (1937, 40730), (3874, 20365), (4073, 19370), (8146, 9685)]