1238918401

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 1548840960

約数和(自身を除く): 309922559

約数列:

[1, 7, 17, 49, 119, 127, 239, 343, 833, 889, 1673, 2159, 2401, 4063, 5831, 6223, 11711, 15113, 28441, 30353, 40817, 43561, 81977, 105791, 199087, 212471, 304927, 516001, 573839, 740537, 1393609, 1487297, 3612007, 5183759, 9755263, 10411079, 25284049, 72877553, 176988343, 1238918401]

約数ペア:

[(1, 1238918401), (7, 176988343), (17, 72877553), (49, 25284049), (119, 10411079), (127, 9755263), (239, 5183759), (343, 3612007), (833, 1487297), (889, 1393609), (1673, 740537), (2159, 573839), (2401, 516001), (4063, 304927), (5831, 212471), (6223, 199087), (11711, 105791), (15113, 81977), (28441, 43561), (30353, 40817)]