8707990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 16347744

約数和(自身を除く): 7639754

約数列:

[1, 2, 5, 10, 41, 67, 82, 134, 205, 317, 335, 410, 634, 670, 1585, 2747, 3170, 5494, 12997, 13735, 21239, 25994, 27470, 42478, 64985, 106195, 129970, 212390, 870799, 1741598, 4353995, 8707990]

約数ペア:

[(1, 8707990), (2, 4353995), (5, 1741598), (10, 870799), (41, 212390), (67, 129970), (82, 106195), (134, 64985), (205, 42478), (317, 27470), (335, 25994), (410, 21239), (634, 13735), (670, 12997), (1585, 5494), (2747, 3170)]