81114488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 64

約数和(自身を含む): 190095360

約数和(自身を除く): 108980872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 182, 268, 364, 469, 536, 728, 871, 938, 1663, 1742, 1876, 3326, 3484, 3752, 6097, 6652, 6968, 11641, 12194, 13304, 21619, 23282, 24388, 43238, 46564, 48776, 86476, 93128, 111421, 151333, 172952, 222842, 302666, 445684, 605332, 779947, 891368, 1210664, 1448473, 1559894, 2896946, 3119788, 5793892, 6239576, 10139311, 11587784, 20278622, 40557244, 81114488]

約数ペア:

[(1, 81114488), (2, 40557244), (4, 20278622), (7, 11587784), (8, 10139311), (13, 6239576), (14, 5793892), (26, 3119788), (28, 2896946), (52, 1559894), (56, 1448473), (67, 1210664), (91, 891368), (104, 779947), (134, 605332), (182, 445684), (268, 302666), (364, 222842), (469, 172952), (536, 151333), (728, 111421), (871, 93128), (938, 86476), (1663, 48776), (1742, 46564), (1876, 43238), (3326, 24388), (3484, 23282), (3752, 21619), (6097, 13304), (6652, 12194), (6968, 11641)]