289661672

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{691}}^1\times {\mathrm{859}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 553461600

約数和(自身を除く): 263799928

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 691, 859, 1382, 1718, 2764, 3436, 5528, 6872, 42151, 52399, 84302, 104798, 168604, 209596, 337208, 419192, 593569, 1187138, 2374276, 4748552, 36207709, 72415418, 144830836, 289661672]

約数ペア:

[(1, 289661672), (2, 144830836), (4, 72415418), (8, 36207709), (61, 4748552), (122, 2374276), (244, 1187138), (488, 593569), (691, 419192), (859, 337208), (1382, 209596), (1718, 168604), (2764, 104798), (3436, 84302), (5528, 52399), (6872, 42151)]