643984991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 748077120

約数和(自身を除く): 104092129

約数列:

[1, 13, 29, 41, 61, 377, 533, 683, 793, 1189, 1769, 2501, 8879, 15457, 19807, 22997, 28003, 32513, 41663, 72529, 257491, 364039, 541619, 812087, 942877, 1208227, 1708183, 10557131, 15706951, 22206379, 49537307, 643984991]

約数ペア:

[(1, 643984991), (13, 49537307), (29, 22206379), (41, 15706951), (61, 10557131), (377, 1708183), (533, 1208227), (683, 942877), (793, 812087), (1189, 541619), (1769, 364039), (2501, 257491), (8879, 72529), (15457, 41663), (19807, 32513), (22997, 28003)]