128814238

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 234748800

約数和(自身を除く): 105934562

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 109, 217, 218, 389, 434, 763, 778, 1519, 1526, 2723, 3038, 3379, 5341, 5446, 6758, 10682, 12059, 19061, 23653, 24118, 38122, 42401, 47306, 84413, 84802, 165571, 168826, 296807, 331142, 590891, 593614, 1181782, 1314431, 2077649, 2628862, 4155298, 9201017, 18402034, 64407119, 128814238]

約数ペア:

[(1, 128814238), (2, 64407119), (7, 18402034), (14, 9201017), (31, 4155298), (49, 2628862), (62, 2077649), (98, 1314431), (109, 1181782), (217, 593614), (218, 590891), (389, 331142), (434, 296807), (763, 168826), (778, 165571), (1519, 84802), (1526, 84413), (2723, 47306), (3038, 42401), (3379, 38122), (5341, 24118), (5446, 23653), (6758, 19061), (10682, 12059)]