261775644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{27509}}^1$

素因数の和:27590

約数の個数: 48

約数和(自身を含む): 668603040

約数和(自身を除く): 406827396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 4758, 9516, 27509, 55018, 82527, 110036, 165054, 330108, 357617, 715234, 1072851, 1430468, 1678049, 2145702, 3356098, 4291404, 5034147, 6712196, 10068294, 20136588, 21814637, 43629274, 65443911, 87258548, 130887822, 261775644]

約数ペア:

[(1, 261775644), (2, 130887822), (3, 87258548), (4, 65443911), (6, 43629274), (12, 21814637), (13, 20136588), (26, 10068294), (39, 6712196), (52, 5034147), (61, 4291404), (78, 3356098), (122, 2145702), (156, 1678049), (183, 1430468), (244, 1072851), (366, 715234), (732, 357617), (793, 330108), (1586, 165054), (2379, 110036), (3172, 82527), (4758, 55018), (9516, 27509)]