127728398

素因数分解:

$2^1\times 7^4\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 40

約数和(自身を含む): 227418792

約数和(自身を除く): 99690394

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 343, 397, 469, 686, 794, 938, 2401, 2779, 3283, 4802, 5558, 6566, 19453, 22981, 26599, 38906, 45962, 53198, 136171, 160867, 186193, 272342, 321734, 372386, 953197, 1303351, 1906394, 2606702, 9123457, 18246914, 63864199, 127728398]

約数ペア:

[(1, 127728398), (2, 63864199), (7, 18246914), (14, 9123457), (49, 2606702), (67, 1906394), (98, 1303351), (134, 953197), (343, 372386), (397, 321734), (469, 272342), (686, 186193), (794, 160867), (938, 136171), (2401, 53198), (2779, 45962), (3283, 38906), (4802, 26599), (5558, 22981), (6566, 19453)]