25311728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 53569488

約数和(自身を除く): 28257760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1667, 1898, 3334, 3796, 6668, 7592, 13336, 15184, 21671, 26672, 43342, 86684, 121691, 173368, 243382, 346736, 486764, 973528, 1581983, 1947056, 3163966, 6327932, 12655864, 25311728]

約数ペア:

[(1, 25311728), (2, 12655864), (4, 6327932), (8, 3163966), (13, 1947056), (16, 1581983), (26, 973528), (52, 486764), (73, 346736), (104, 243382), (146, 173368), (208, 121691), (292, 86684), (584, 43342), (949, 26672), (1168, 21671), (1667, 15184), (1898, 13336), (3334, 7592), (3796, 6668)]