644793630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1653317}}^1$

素因数の和:1653340

約数の個数: 32

約数和(自身を含む): 1666544544

約数和(自身を除く): 1021750914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1653317, 3306634, 4959951, 8266585, 9919902, 16533170, 21493121, 24799755, 42986242, 49599510, 64479363, 107465605, 128958726, 214931210, 322396815, 644793630]

約数ペア:

[(1, 644793630), (2, 322396815), (3, 214931210), (5, 128958726), (6, 107465605), (10, 64479363), (13, 49599510), (15, 42986242), (26, 24799755), (30, 21493121), (39, 16533170), (65, 9919902), (78, 8266585), (130, 4959951), (195, 3306634), (390, 1653317)]