81687242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3390

約数の個数: 32

約数和(自身を含む): 151939200

約数和(自身を除く): 70251958

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 973, 1807, 1946, 3229, 3614, 6458, 12649, 22603, 25298, 41977, 45206, 83954, 293839, 448831, 587678, 897662, 3141817, 5834803, 6283634, 11669606, 40843621, 81687242]

約数ペア:

[(1, 81687242), (2, 40843621), (7, 11669606), (13, 6283634), (14, 5834803), (26, 3141817), (91, 897662), (139, 587678), (182, 448831), (278, 293839), (973, 83954), (1807, 45206), (1946, 41977), (3229, 25298), (3614, 22603), (6458, 12649)]