77974876

素因数分解:

$2^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 166581072

約数和(自身を除く): 88606196

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 353, 644, 686, 706, 1127, 1372, 1412, 2254, 2401, 2471, 4508, 4802, 4942, 7889, 8119, 9604, 9884, 15778, 16238, 17297, 31556, 32476, 34594, 55223, 56833, 69188, 110446, 113666, 121079, 220892, 227332, 242158, 397831, 484316, 795662, 847553, 1591324, 1695106, 2784817, 3390212, 5569634, 11139268, 19493719, 38987438, 77974876]

約数ペア:

[(1, 77974876), (2, 38987438), (4, 19493719), (7, 11139268), (14, 5569634), (23, 3390212), (28, 2784817), (46, 1695106), (49, 1591324), (92, 847553), (98, 795662), (161, 484316), (196, 397831), (322, 242158), (343, 227332), (353, 220892), (644, 121079), (686, 113666), (706, 110446), (1127, 69188), (1372, 56833), (1412, 55223), (2254, 34594), (2401, 32476), (2471, 31556), (4508, 17297), (4802, 16238), (4942, 15778), (7889, 9884), (8119, 9604)]