17704986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22937574

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 138, 139, 142, 213, 278, 299, 417, 426, 598, 834, 897, 923, 1633, 1794, 1807, 1846, 2769, 3197, 3266, 3614, 4899, 5421, 5538, 6394, 9591, 9798, 9869, 10842, 19182, 19738, 21229, 29607, 41561, 42458, 59214, 63687, 83122, 124683, 127374, 128297, 226987, 249366, 256594, 384891, 453974, 680961, 769782, 1361922, 2950831, 5901662, 8852493, 17704986]

約数ペア:

[(1, 17704986), (2, 8852493), (3, 5901662), (6, 2950831), (13, 1361922), (23, 769782), (26, 680961), (39, 453974), (46, 384891), (69, 256594), (71, 249366), (78, 226987), (138, 128297), (139, 127374), (142, 124683), (213, 83122), (278, 63687), (299, 59214), (417, 42458), (426, 41561), (598, 29607), (834, 21229), (897, 19738), (923, 19182), (1633, 10842), (1794, 9869), (1807, 9798), (1846, 9591), (2769, 6394), (3197, 5538), (3266, 5421), (3614, 4899)]