16864657985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{54403}}^1$

素因数の和:54953

約数の個数: 32

約数和(自身を含む): 24536639232

約数和(自身を除く): 7671981247

約数列:

[1, 5, 7, 17, 35, 85, 119, 521, 595, 2605, 3647, 8857, 18235, 44285, 54403, 61999, 272015, 309995, 380821, 924851, 1904105, 4624255, 6473957, 28343963, 32369785, 141719815, 198407741, 481847371, 992038705, 2409236855, 3372931597, 16864657985]

約数ペア:

[(1, 16864657985), (5, 3372931597), (7, 2409236855), (17, 992038705), (35, 481847371), (85, 198407741), (119, 141719815), (521, 32369785), (595, 28343963), (2605, 6473957), (3647, 4624255), (8857, 1904105), (18235, 924851), (44285, 380821), (54403, 309995), (61999, 272015)]