261619224

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{253507}}^1$

素因数の和:253559

約数の個数: 32

約数和(自身を含む): 669261120

約数和(自身を除く): 407641896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 253507, 507014, 760521, 1014028, 1521042, 2028056, 3042084, 6084168, 10900801, 21801602, 32702403, 43603204, 65404806, 87206408, 130809612, 261619224]

約数ペア:

[(1, 261619224), (2, 130809612), (3, 87206408), (4, 65404806), (6, 43603204), (8, 32702403), (12, 21801602), (24, 10900801), (43, 6084168), (86, 3042084), (129, 2028056), (172, 1521042), (258, 1014028), (344, 760521), (516, 507014), (1032, 253507)]