218214704

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{439949}}^1$

素因数の和:439988

約数の個数: 20

約数和(自身を含む): 436430400

約数和(自身を除く): 218215696

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 439949, 879898, 1759796, 3519592, 7039184, 13638419, 27276838, 54553676, 109107352, 218214704]

約数ペア:

[(1, 218214704), (2, 109107352), (4, 54553676), (8, 27276838), (16, 13638419), (31, 7039184), (62, 3519592), (124, 1759796), (248, 879898), (496, 439949)]