64720312

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{260969}}^1$

素因数の和:261006

約数の個数: 16

約数和(自身を含む): 125265600

約数和(自身を除く): 60545288

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 260969, 521938, 1043876, 2087752, 8090039, 16180078, 32360156, 64720312]

約数ペア:

[(1, 64720312), (2, 32360156), (4, 16180078), (8, 8090039), (31, 2087752), (62, 1043876), (124, 521938), (248, 260969)]