221697004

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{32971}}^1$

素因数の和:33057

約数の個数: 18

約数和(自身を含む): 397675292

約数和(自身を除く): 175978288

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 32971, 65942, 131884, 1351811, 2703622, 5407244, 55424251, 110848502, 221697004]

約数ペア:

[(1, 221697004), (2, 110848502), (4, 55424251), (41, 5407244), (82, 2703622), (164, 1351811), (1681, 131884), (3362, 65942), (6724, 32971)]