218427272

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90709}}^1$

素因数の和:90765

約数の個数: 32

約数和(自身を含む): 478948800

約数和(自身を除く): 260521528

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 90709, 181418, 362836, 634963, 725672, 1269926, 2539852, 3900487, 5079704, 7800974, 15601948, 27303409, 31203896, 54606818, 109213636, 218427272]

約数ペア:

[(1, 218427272), (2, 109213636), (4, 54606818), (7, 31203896), (8, 27303409), (14, 15601948), (28, 7800974), (43, 5079704), (56, 3900487), (86, 2539852), (172, 1269926), (301, 725672), (344, 634963), (602, 362836), (1204, 181418), (2408, 90709)]