289459568

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{46507}}^1$

素因数の和:46904

約数の個数: 20

約数和(自身を含む): 562281720

約数和(自身を除く): 272822152

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 46507, 93014, 186028, 372056, 744112, 18091223, 36182446, 72364892, 144729784, 289459568]

約数ペア:

[(1, 289459568), (2, 144729784), (4, 72364892), (8, 36182446), (16, 18091223), (389, 744112), (778, 372056), (1556, 186028), (3112, 93014), (6224, 46507)]