128243528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2383}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 284077440

約数和(自身を除く): 155833912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 961, 1736, 1922, 2383, 3844, 4766, 6727, 7688, 9532, 13454, 16681, 19064, 26908, 33362, 53816, 66724, 73873, 133448, 147746, 295492, 517111, 590984, 1034222, 2068444, 2290063, 4136888, 4580126, 9160252, 16030441, 18320504, 32060882, 64121764, 128243528]

約数ペア:

[(1, 128243528), (2, 64121764), (4, 32060882), (7, 18320504), (8, 16030441), (14, 9160252), (28, 4580126), (31, 4136888), (56, 2290063), (62, 2068444), (124, 1034222), (217, 590984), (248, 517111), (434, 295492), (868, 147746), (961, 133448), (1736, 73873), (1922, 66724), (2383, 53816), (3844, 33362), (4766, 26908), (6727, 19064), (7688, 16681), (9532, 13454)]