128428628

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 236376000

約数和(自身を除く): 107947372

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 499, 998, 1369, 1739, 1996, 2738, 3478, 5476, 6956, 18463, 23453, 36926, 46906, 64343, 73852, 93812, 128686, 257372, 683131, 867761, 1366262, 1735522, 2732524, 3471044, 32107157, 64214314, 128428628]

約数ペア:

[(1, 128428628), (2, 64214314), (4, 32107157), (37, 3471044), (47, 2732524), (74, 1735522), (94, 1366262), (148, 867761), (188, 683131), (499, 257372), (998, 128686), (1369, 93812), (1739, 73852), (1996, 64343), (2738, 46906), (3478, 36926), (5476, 23453), (6956, 18463)]