389963924

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 790605312

約数和(自身を除く): 400641388

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 277, 367, 548, 554, 734, 959, 1108, 1468, 1918, 1939, 2569, 3836, 3878, 5138, 7756, 10276, 37949, 50279, 75898, 100558, 101659, 151796, 201116, 203318, 265643, 351953, 406636, 531286, 703906, 711613, 1062572, 1407812, 1423226, 2846452, 13927283, 27854566, 55709132, 97490981, 194981962, 389963924]

約数ペア:

[(1, 389963924), (2, 194981962), (4, 97490981), (7, 55709132), (14, 27854566), (28, 13927283), (137, 2846452), (274, 1423226), (277, 1407812), (367, 1062572), (548, 711613), (554, 703906), (734, 531286), (959, 406636), (1108, 351953), (1468, 265643), (1918, 203318), (1939, 201116), (2569, 151796), (3836, 101659), (3878, 100558), (5138, 75898), (7756, 50279), (10276, 37949)]