81081457918

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1\times {\mathrm{8849}}^1$

素因数の和:9780

約数の個数: 32

約数和(自身を含む): 126547920000

約数和(自身を除く): 45466462082

約数列:

[1, 2, 29, 58, 239, 478, 661, 1322, 6931, 8849, 13862, 17698, 19169, 38338, 157979, 256621, 315958, 513242, 2114911, 4229822, 4581391, 5849189, 9162782, 11698378, 61332419, 122664838, 169626481, 339252962, 1397956171, 2795912342, 40540728959, 81081457918]

約数ペア:

[(1, 81081457918), (2, 40540728959), (29, 2795912342), (58, 1397956171), (239, 339252962), (478, 169626481), (661, 122664838), (1322, 61332419), (6931, 11698378), (8849, 9162782), (13862, 5849189), (17698, 4581391), (19169, 4229822), (38338, 2114911), (157979, 513242), (256621, 315958)]