221872684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{12329}}^1$

素因数の和:12753

約数の個数: 24

約数和(自身を含む): 424645200

約数和(自身を除く): 202772516

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1636, 4499, 8998, 12329, 17996, 24658, 49316, 135619, 271238, 542476, 5042561, 10085122, 20170244, 55468171, 110936342, 221872684]

約数ペア:

[(1, 221872684), (2, 110936342), (4, 55468171), (11, 20170244), (22, 10085122), (44, 5042561), (409, 542476), (818, 271238), (1636, 135619), (4499, 49316), (8998, 24658), (12329, 17996)]