90131858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 156310560

約数和(自身を除く): 66178702

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 83, 166, 323, 646, 697, 779, 1394, 1411, 1558, 1577, 1681, 2822, 3154, 3362, 3403, 6806, 13243, 26486, 26809, 28577, 31939, 53618, 57154, 57851, 63878, 64657, 115702, 129314, 139523, 279046, 542963, 1085926, 1099169, 2198338, 2371891, 2650937, 4743782, 5301874, 45065929, 90131858]

約数ペア:

[(1, 90131858), (2, 45065929), (17, 5301874), (19, 4743782), (34, 2650937), (38, 2371891), (41, 2198338), (82, 1099169), (83, 1085926), (166, 542963), (323, 279046), (646, 139523), (697, 129314), (779, 115702), (1394, 64657), (1411, 63878), (1558, 57851), (1577, 57154), (1681, 53618), (2822, 31939), (3154, 28577), (3362, 26809), (3403, 26486), (6806, 13243)]