668848103

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 853897728

約数和(自身を除く): 185049625

約数列:

[1, 7, 11, 61, 77, 157, 427, 671, 907, 1099, 1727, 4697, 6349, 9577, 9977, 12089, 55327, 67039, 69839, 105347, 142399, 387289, 608597, 737429, 996793, 1566389, 4260179, 8686339, 10964723, 60804373, 95549729, 668848103]

約数ペア:

[(1, 668848103), (7, 95549729), (11, 60804373), (61, 10964723), (77, 8686339), (157, 4260179), (427, 1566389), (671, 996793), (907, 737429), (1099, 608597), (1727, 387289), (4697, 142399), (6349, 105347), (9577, 69839), (9977, 67039), (12089, 55327)]