389273668

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 815837568

約数和(自身を除く): 426563900

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 103, 146, 172, 206, 292, 301, 412, 511, 602, 721, 1022, 1204, 1442, 1849, 2044, 2884, 3139, 3698, 4429, 6278, 7396, 7519, 8858, 12556, 12943, 15038, 17716, 21973, 25886, 30076, 31003, 43946, 51772, 52633, 62006, 87892, 105266, 124012, 134977, 190447, 210532, 269954, 323317, 380894, 539908, 646634, 761788, 944839, 1293268, 1333129, 1889678, 2263219, 2666258, 3779356, 4526438, 5332516, 9052876, 13902631, 27805262, 55610524, 97318417, 194636834, 389273668]

約数ペア:

[(1, 389273668), (2, 194636834), (4, 97318417), (7, 55610524), (14, 27805262), (28, 13902631), (43, 9052876), (73, 5332516), (86, 4526438), (103, 3779356), (146, 2666258), (172, 2263219), (206, 1889678), (292, 1333129), (301, 1293268), (412, 944839), (511, 761788), (602, 646634), (721, 539908), (1022, 380894), (1204, 323317), (1442, 269954), (1849, 210532), (2044, 190447), (2884, 134977), (3139, 124012), (3698, 105266), (4429, 87892), (6278, 62006), (7396, 52633), (7519, 51772), (8858, 43946), (12556, 31003), (12943, 30076), (15038, 25886), (17716, 21973)]