248882010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{638159}}^1$

素因数の和:638182

約数の個数: 32

約数和(自身を含む): 643265280

約数和(自身を除く): 394383270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 638159, 1276318, 1914477, 3190795, 3828954, 6381590, 8296067, 9572385, 16592134, 19144770, 24888201, 41480335, 49776402, 82960670, 124441005, 248882010]

約数ペア:

[(1, 248882010), (2, 124441005), (3, 82960670), (5, 49776402), (6, 41480335), (10, 24888201), (13, 19144770), (15, 16592134), (26, 9572385), (30, 8296067), (39, 6381590), (65, 3828954), (78, 3190795), (130, 1914477), (195, 1276318), (390, 638159)]