220381064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1620449}}^1$

素因数の和:1620472

約数の個数: 16

約数和(自身を含む): 437521500

約数和(自身を除く): 217140436

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1620449, 3240898, 6481796, 12963592, 27547633, 55095266, 110190532, 220381064]

約数ペア:

[(1, 220381064), (2, 110190532), (4, 55095266), (8, 27547633), (17, 12963592), (34, 6481796), (68, 3240898), (136, 1620449)]