87195017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 111041280

約数和(自身を除く): 23846263

約数列:

[1, 7, 13, 53, 91, 101, 179, 371, 689, 707, 1253, 1313, 2327, 4823, 5353, 9191, 9487, 16289, 18079, 37471, 66409, 69589, 123331, 126553, 235027, 487123, 863317, 958187, 1645189, 6707309, 12456431, 87195017]

約数ペア:

[(1, 87195017), (7, 12456431), (13, 6707309), (53, 1645189), (91, 958187), (101, 863317), (179, 487123), (371, 235027), (689, 126553), (707, 123331), (1253, 69589), (1313, 66409), (2327, 37471), (4823, 18079), (5353, 16289), (9191, 9487)]