8164975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 12929728

約数和(自身を除く): 4764753

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 97, 175, 185, 259, 325, 455, 481, 485, 679, 925, 1261, 1295, 2275, 2405, 2425, 3367, 3395, 3589, 6305, 6475, 8827, 12025, 16835, 16975, 17945, 25123, 31525, 44135, 46657, 84175, 89725, 125615, 220675, 233285, 326599, 628075, 1166425, 1632995, 8164975]

約数ペア:

[(1, 8164975), (5, 1632995), (7, 1166425), (13, 628075), (25, 326599), (35, 233285), (37, 220675), (65, 125615), (91, 89725), (97, 84175), (175, 46657), (185, 44135), (259, 31525), (325, 25123), (455, 17945), (481, 16975), (485, 16835), (679, 12025), (925, 8827), (1261, 6475), (1295, 6305), (2275, 3589), (2405, 3395), (2425, 3367)]