666388672

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{28843}}^1$

素因数の和:28893

約数の個数: 42

約数和(自身を含む): 1395674628

約数和(自身を除く): 729285956

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 5776, 11552, 23104, 28843, 57686, 115372, 230744, 461488, 548017, 922976, 1096034, 1845952, 2192068, 4384136, 8768272, 10412323, 17536544, 20824646, 35073088, 41649292, 83298584, 166597168, 333194336, 666388672]

約数ペア:

[(1, 666388672), (2, 333194336), (4, 166597168), (8, 83298584), (16, 41649292), (19, 35073088), (32, 20824646), (38, 17536544), (64, 10412323), (76, 8768272), (152, 4384136), (304, 2192068), (361, 1845952), (608, 1096034), (722, 922976), (1216, 548017), (1444, 461488), (2888, 230744), (5776, 115372), (11552, 57686), (23104, 28843)]