388971128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{534301}}^1$

素因数の和:534327

約数の個数: 32

約数和(自身を含む): 897627360

約数和(自身を除く): 508656232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 534301, 1068602, 2137204, 3740107, 4274408, 6945913, 7480214, 13891826, 14960428, 27783652, 29920856, 48621391, 55567304, 97242782, 194485564, 388971128]

約数ペア:

[(1, 388971128), (2, 194485564), (4, 97242782), (7, 55567304), (8, 48621391), (13, 29920856), (14, 27783652), (26, 14960428), (28, 13891826), (52, 7480214), (56, 6945913), (91, 4274408), (104, 3740107), (182, 2137204), (364, 1068602), (728, 534301)]