81085886

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 151044000

約数和(自身を除く): 69958114

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 289, 343, 409, 578, 686, 818, 833, 1666, 2023, 2863, 4046, 5726, 5831, 6953, 11662, 13906, 14161, 20041, 28322, 40082, 48671, 97342, 99127, 118201, 140287, 198254, 236402, 280574, 340697, 681394, 827407, 1654814, 2384879, 4769758, 5791849, 11583698, 40542943, 81085886]

約数ペア:

[(1, 81085886), (2, 40542943), (7, 11583698), (14, 5791849), (17, 4769758), (34, 2384879), (49, 1654814), (98, 827407), (119, 681394), (238, 340697), (289, 280574), (343, 236402), (409, 198254), (578, 140287), (686, 118201), (818, 99127), (833, 97342), (1666, 48671), (2023, 40082), (2863, 28322), (4046, 20041), (5726, 14161), (5831, 13906), (6953, 11662)]