640069352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{9011}}^1$

素因数の和:9713

約数の個数: 32

約数和(自身を含む): 1294483680

約数和(自身を除く): 654414328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 683, 1366, 2732, 5464, 8879, 9011, 17758, 18022, 35516, 36044, 71032, 72088, 117143, 234286, 468572, 937144, 6154513, 12309026, 24618052, 49236104, 80008669, 160017338, 320034676, 640069352]

約数ペア:

[(1, 640069352), (2, 320034676), (4, 160017338), (8, 80008669), (13, 49236104), (26, 24618052), (52, 12309026), (104, 6154513), (683, 937144), (1366, 468572), (2732, 234286), (5464, 117143), (8879, 72088), (9011, 71032), (17758, 36044), (18022, 35516)]