7821486

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 17791488

約数和(自身を除く): 9970002

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 131, 186, 214, 262, 279, 321, 393, 558, 642, 786, 963, 1179, 1926, 2358, 3317, 4061, 6634, 8122, 9951, 12183, 14017, 19902, 24366, 28034, 29853, 36549, 42051, 59706, 73098, 84102, 126153, 252306, 434527, 869054, 1303581, 2607162, 3910743, 7821486]

約数ペア:

[(1, 7821486), (2, 3910743), (3, 2607162), (6, 1303581), (9, 869054), (18, 434527), (31, 252306), (62, 126153), (93, 84102), (107, 73098), (131, 59706), (186, 42051), (214, 36549), (262, 29853), (279, 28034), (321, 24366), (393, 19902), (558, 14017), (642, 12183), (786, 9951), (963, 8122), (1179, 6634), (1926, 4061), (2358, 3317)]