261550124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5903}}^1$

素因数の和:5990

約数の個数: 48

約数和(自身を含む): 535610880

約数和(自身を除く): 274060756

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 53, 76, 106, 209, 212, 418, 583, 836, 1007, 1166, 2014, 2332, 4028, 5903, 11077, 11806, 22154, 23612, 44308, 64933, 112157, 129866, 224314, 259732, 312859, 448628, 625718, 1233727, 1251436, 2467454, 3441449, 4934908, 5944321, 6882898, 11888642, 13765796, 23777284, 65387531, 130775062, 261550124]

約数ペア:

[(1, 261550124), (2, 130775062), (4, 65387531), (11, 23777284), (19, 13765796), (22, 11888642), (38, 6882898), (44, 5944321), (53, 4934908), (76, 3441449), (106, 2467454), (209, 1251436), (212, 1233727), (418, 625718), (583, 448628), (836, 312859), (1007, 259732), (1166, 224314), (2014, 129866), (2332, 112157), (4028, 64933), (5903, 44308), (11077, 23612), (11806, 22154)]