221985348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{38459}}^1$

素因数の和:38516

約数の個数: 48

約数和(自身を含む): 572900160

約数和(自身を除く): 350914812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 38459, 76918, 115377, 153836, 230754, 461508, 499967, 999934, 1422983, 1499901, 1999868, 2845966, 2999802, 4268949, 5691932, 5999604, 8537898, 17075796, 18498779, 36997558, 55496337, 73995116, 110992674, 221985348]

約数ペア:

[(1, 221985348), (2, 110992674), (3, 73995116), (4, 55496337), (6, 36997558), (12, 18498779), (13, 17075796), (26, 8537898), (37, 5999604), (39, 5691932), (52, 4268949), (74, 2999802), (78, 2845966), (111, 1999868), (148, 1499901), (156, 1422983), (222, 999934), (444, 499967), (481, 461508), (962, 230754), (1443, 153836), (1924, 115377), (2886, 76918), (5772, 38459)]