646987408

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{49253}}^1$

素因数の和:50082

約数の個数: 20

約数和(自身を含む): 1255090428

約数和(自身を除く): 608103020

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 49253, 98506, 197012, 394024, 788048, 40436713, 80873426, 161746852, 323493704, 646987408]

約数ペア:

[(1, 646987408), (2, 323493704), (4, 161746852), (8, 80873426), (16, 40436713), (821, 788048), (1642, 394024), (3284, 197012), (6568, 98506), (13136, 49253)]