128338456

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{863}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 249609600

約数和(自身を除く): 121271144

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 641, 863, 1282, 1726, 2564, 3452, 5128, 6904, 18589, 25027, 37178, 50054, 74356, 100108, 148712, 200216, 553183, 1106366, 2212732, 4425464, 16042307, 32084614, 64169228, 128338456]

約数ペア:

[(1, 128338456), (2, 64169228), (4, 32084614), (8, 16042307), (29, 4425464), (58, 2212732), (116, 1106366), (232, 553183), (641, 200216), (863, 148712), (1282, 100108), (1726, 74356), (2564, 50054), (3452, 37178), (5128, 25027), (6904, 18589)]