645347786

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{761}}^1\times {\mathrm{2539}}^1$

素因数の和:3469

約数の個数: 16

約数和(自身を含む): 975481920

約数和(自身を除く): 330134134

約数列:

[1, 2, 167, 334, 761, 1522, 2539, 5078, 127087, 254174, 424013, 848026, 1932179, 3864358, 322673893, 645347786]

約数ペア:

[(1, 645347786), (2, 322673893), (167, 3864358), (334, 1932179), (761, 848026), (1522, 424013), (2539, 254174), (5078, 127087)]