664634584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{61861}}^1$

素因数の和:61963

約数の個数: 32

約数和(自身を含む): 1336219200

約数和(自身を除く): 671584616

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 10744, 61861, 123722, 247444, 494888, 1051637, 2103274, 4206548, 4887019, 8413096, 9774038, 19548076, 39096152, 83079323, 166158646, 332317292, 664634584]

約数ペア:

[(1, 664634584), (2, 332317292), (4, 166158646), (8, 83079323), (17, 39096152), (34, 19548076), (68, 9774038), (79, 8413096), (136, 4887019), (158, 4206548), (316, 2103274), (632, 1051637), (1343, 494888), (2686, 247444), (5372, 123722), (10744, 61861)]