1291295615

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{217207}}^1$

素因数の和:217282

約数の個数: 16

約数和(自身を含む): 1642092480

約数和(自身を除く): 350796865

約数列:

[1, 5, 29, 41, 145, 205, 1189, 5945, 217207, 1086035, 6299003, 8905487, 31495015, 44527435, 258259123, 1291295615]

約数ペア:

[(1, 1291295615), (5, 258259123), (29, 44527435), (41, 31495015), (145, 8905487), (205, 6299003), (1189, 1086035), (5945, 217207)]