27631868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 58487184

約数和(自身を除く): 30855316

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 53, 68, 82, 106, 164, 187, 212, 289, 374, 451, 578, 583, 697, 748, 901, 902, 1156, 1166, 1394, 1802, 1804, 2173, 2332, 2788, 3179, 3604, 4346, 6358, 7667, 8692, 9911, 11849, 12716, 15317, 15334, 19822, 23698, 23903, 30634, 30668, 36941, 39644, 47396, 47806, 61268, 73882, 95612, 130339, 147764, 168487, 260678, 336974, 406351, 521356, 627997, 673948, 812702, 1255994, 1625404, 2511988, 6907967, 13815934, 27631868]

約数ペア:

[(1, 27631868), (2, 13815934), (4, 6907967), (11, 2511988), (17, 1625404), (22, 1255994), (34, 812702), (41, 673948), (44, 627997), (53, 521356), (68, 406351), (82, 336974), (106, 260678), (164, 168487), (187, 147764), (212, 130339), (289, 95612), (374, 73882), (451, 61268), (578, 47806), (583, 47396), (697, 39644), (748, 36941), (901, 30668), (902, 30634), (1156, 23903), (1166, 23698), (1394, 19822), (1802, 15334), (1804, 15317), (2173, 12716), (2332, 11849), (2788, 9911), (3179, 8692), (3604, 7667), (4346, 6358)]