220180906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 397789056

約数和(自身を除く): 177608150

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 83, 166, 173, 187, 346, 374, 451, 697, 902, 913, 1394, 1411, 1826, 1903, 2822, 2941, 3403, 3806, 5882, 6806, 7093, 7667, 14186, 14359, 15334, 15521, 28718, 31042, 32351, 37433, 57851, 64702, 74866, 78023, 115702, 120581, 156046, 157949, 241162, 244103, 315898, 488206, 588719, 636361, 1177438, 1272722, 1326391, 2652782, 2685133, 5370266, 6475909, 10008223, 12951818, 20016446, 110090453, 220180906]

約数ペア:

[(1, 220180906), (2, 110090453), (11, 20016446), (17, 12951818), (22, 10008223), (34, 6475909), (41, 5370266), (82, 2685133), (83, 2652782), (166, 1326391), (173, 1272722), (187, 1177438), (346, 636361), (374, 588719), (451, 488206), (697, 315898), (902, 244103), (913, 241162), (1394, 157949), (1411, 156046), (1826, 120581), (1903, 115702), (2822, 78023), (2941, 74866), (3403, 64702), (3806, 57851), (5882, 37433), (6806, 32351), (7093, 31042), (7667, 28718), (14186, 15521), (14359, 15334)]