65039728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6653}}^1$

素因数の和:6721

約数の個数: 40

約数和(自身を含む): 138616128

約数和(自身を除く): 73576400

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 6653, 9776, 13306, 26612, 53224, 86489, 106448, 172978, 312691, 345956, 625382, 691912, 1250764, 1383824, 2501528, 4064983, 5003056, 8129966, 16259932, 32519864, 65039728]

約数ペア:

[(1, 65039728), (2, 32519864), (4, 16259932), (8, 8129966), (13, 5003056), (16, 4064983), (26, 2501528), (47, 1383824), (52, 1250764), (94, 691912), (104, 625382), (188, 345956), (208, 312691), (376, 172978), (611, 106448), (752, 86489), (1222, 53224), (2444, 26612), (4888, 13306), (6653, 9776)]