398947952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1918019}}^1$

素因数の和:1918040

約数の個数: 20

約数和(自身を含む): 832420680

約数和(自身を除く): 433472728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1918019, 3836038, 7672076, 15344152, 24934247, 30688304, 49868494, 99736988, 199473976, 398947952]

約数ペア:

[(1, 398947952), (2, 199473976), (4, 99736988), (8, 49868494), (13, 30688304), (16, 24934247), (26, 15344152), (52, 7672076), (104, 3836038), (208, 1918019)]