261521016

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{573511}}^1$

素因数の和:573539

約数の個数: 32

約数和(自身を含む): 688214400

約数和(自身を除く): 426693384

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 573511, 1147022, 1720533, 2294044, 3441066, 4588088, 6882132, 10896709, 13764264, 21793418, 32690127, 43586836, 65380254, 87173672, 130760508, 261521016]

約数ペア:

[(1, 261521016), (2, 130760508), (3, 87173672), (4, 65380254), (6, 43586836), (8, 32690127), (12, 21793418), (19, 13764264), (24, 10896709), (38, 6882132), (57, 4588088), (76, 3441066), (114, 2294044), (152, 1720533), (228, 1147022), (456, 573511)]