221242216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 475750800

約数和(自身を除く): 254508584

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 433, 442, 578, 866, 884, 1156, 1732, 1768, 2312, 3464, 3757, 4913, 5629, 7361, 7514, 9826, 11258, 14722, 15028, 19652, 22516, 29444, 30056, 39304, 45032, 58888, 63869, 95693, 125137, 127738, 191386, 250274, 255476, 382772, 500548, 510952, 765544, 1001096, 1626781, 2127329, 3253562, 4254658, 6507124, 8509316, 13014248, 17018632, 27655277, 55310554, 110621108, 221242216]

約数ペア:

[(1, 221242216), (2, 110621108), (4, 55310554), (8, 27655277), (13, 17018632), (17, 13014248), (26, 8509316), (34, 6507124), (52, 4254658), (68, 3253562), (104, 2127329), (136, 1626781), (221, 1001096), (289, 765544), (433, 510952), (442, 500548), (578, 382772), (866, 255476), (884, 250274), (1156, 191386), (1732, 127738), (1768, 125137), (2312, 95693), (3464, 63869), (3757, 58888), (4913, 45032), (5629, 39304), (7361, 30056), (7514, 29444), (9826, 22516), (11258, 19652), (14722, 15028)]