2508272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 5416320

約数和(自身を除く): 2908048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 389, 403, 496, 778, 806, 1556, 1612, 3112, 3224, 5057, 6224, 6448, 10114, 12059, 20228, 24118, 40456, 48236, 80912, 96472, 156767, 192944, 313534, 627068, 1254136, 2508272]

約数ペア:

[(1, 2508272), (2, 1254136), (4, 627068), (8, 313534), (13, 192944), (16, 156767), (26, 96472), (31, 80912), (52, 48236), (62, 40456), (104, 24118), (124, 20228), (208, 12059), (248, 10114), (389, 6448), (403, 6224), (496, 5057), (778, 3224), (806, 3112), (1556, 1612)]