209970026

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 408499200

約数和(自身を除く): 198529174

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 59, 118, 119, 133, 238, 266, 323, 413, 646, 787, 826, 1003, 1121, 1574, 2006, 2242, 2261, 4522, 5509, 7021, 7847, 11018, 13379, 14042, 14953, 15694, 19057, 26758, 29906, 38114, 46433, 92866, 93653, 104671, 133399, 187306, 209342, 254201, 266798, 325031, 508402, 650062, 789361, 882227, 1578722, 1764454, 1779407, 3558814, 5525527, 6175589, 11051054, 12351178, 14997859, 29995718, 104985013, 209970026]

約数ペア:

[(1, 209970026), (2, 104985013), (7, 29995718), (14, 14997859), (17, 12351178), (19, 11051054), (34, 6175589), (38, 5525527), (59, 3558814), (118, 1779407), (119, 1764454), (133, 1578722), (238, 882227), (266, 789361), (323, 650062), (413, 508402), (646, 325031), (787, 266798), (826, 254201), (1003, 209342), (1121, 187306), (1574, 133399), (2006, 104671), (2242, 93653), (2261, 92866), (4522, 46433), (5509, 38114), (7021, 29906), (7847, 26758), (11018, 19057), (13379, 15694), (14042, 14953)]