391780482

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 846084096

約数和(自身を除く): 454303614

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 103, 129, 138, 206, 258, 309, 618, 641, 989, 1282, 1923, 1978, 2369, 2967, 3846, 4429, 4738, 5934, 7107, 8858, 13287, 14214, 14743, 26574, 27563, 29486, 44229, 55126, 66023, 82689, 88458, 101867, 132046, 165378, 198069, 203734, 305601, 396138, 611202, 633949, 1267898, 1518529, 1901847, 2838989, 3037058, 3803694, 4555587, 5677978, 8516967, 9111174, 17033934, 65296747, 130593494, 195890241, 391780482]

約数ペア:

[(1, 391780482), (2, 195890241), (3, 130593494), (6, 65296747), (23, 17033934), (43, 9111174), (46, 8516967), (69, 5677978), (86, 4555587), (103, 3803694), (129, 3037058), (138, 2838989), (206, 1901847), (258, 1518529), (309, 1267898), (618, 633949), (641, 611202), (989, 396138), (1282, 305601), (1923, 203734), (1978, 198069), (2369, 165378), (2967, 132046), (3846, 101867), (4429, 88458), (4738, 82689), (5934, 66023), (7107, 55126), (8858, 44229), (13287, 29486), (14214, 27563), (14743, 26574)]