40391813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 54328320

約数和(自身を除く): 13936507

約数列:

[1, 7, 11, 17, 59, 77, 119, 187, 413, 523, 649, 1003, 1309, 3661, 4543, 5753, 7021, 8891, 11033, 30857, 40271, 62237, 77231, 97801, 215999, 339427, 524569, 684607, 2375989, 3671983, 5770259, 40391813]

約数ペア:

[(1, 40391813), (7, 5770259), (11, 3671983), (17, 2375989), (59, 684607), (77, 524569), (119, 339427), (187, 215999), (413, 97801), (523, 77231), (649, 62237), (1003, 40271), (1309, 30857), (3661, 11033), (4543, 8891), (5753, 7021)]