389670472

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{4513}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 750768480

約数和(自身を除く): 361098008

約数列:

[1, 2, 4, 8, 43, 86, 172, 251, 344, 502, 1004, 2008, 4513, 9026, 10793, 18052, 21586, 36104, 43172, 86344, 194059, 388118, 776236, 1132763, 1552472, 2265526, 4531052, 9062104, 48708809, 97417618, 194835236, 389670472]

約数ペア:

[(1, 389670472), (2, 194835236), (4, 97417618), (8, 48708809), (43, 9062104), (86, 4531052), (172, 2265526), (251, 1552472), (344, 1132763), (502, 776236), (1004, 388118), (2008, 194059), (4513, 86344), (9026, 43172), (10793, 36104), (18052, 21586)]