221208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 596400

約数和(自身を除く): 375192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 709, 1418, 2127, 2836, 4254, 5672, 8508, 9217, 17016, 18434, 27651, 36868, 55302, 73736, 110604, 221208]

約数ペア:

[(1, 221208), (2, 110604), (3, 73736), (4, 55302), (6, 36868), (8, 27651), (12, 18434), (13, 17016), (24, 9217), (26, 8508), (39, 5672), (52, 4254), (78, 2836), (104, 2127), (156, 1418), (312, 709)]