1278989866

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:836

約数の個数: 96

約数和(自身を含む): 2607090624

約数和(自身を除く): 1328100758

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 101, 119, 154, 187, 202, 238, 374, 539, 691, 707, 833, 1078, 1111, 1309, 1382, 1414, 1666, 1717, 2222, 2618, 3434, 4837, 4949, 7601, 7777, 9163, 9674, 9898, 11747, 12019, 15202, 15554, 18326, 18887, 23494, 24038, 33859, 37774, 53207, 54439, 67718, 69791, 82229, 84133, 106414, 108878, 129217, 132209, 139582, 164458, 168266, 258434, 264418, 372449, 488537, 575603, 744898, 767701, 904519, 925463, 977074, 1151206, 1186447, 1535402, 1809038, 1850926, 2372894, 3419759, 5373907, 6331633, 6839518, 8305129, 10747814, 12663266, 13050917, 16610258, 26101834, 37617349, 58135903, 75234698, 91356419, 116271806, 182712838, 639494933, 1278989866]

約数ペア:

[(1, 1278989866), (2, 639494933), (7, 182712838), (11, 116271806), (14, 91356419), (17, 75234698), (22, 58135903), (34, 37617349), (49, 26101834), (77, 16610258), (98, 13050917), (101, 12663266), (119, 10747814), (154, 8305129), (187, 6839518), (202, 6331633), (238, 5373907), (374, 3419759), (539, 2372894), (691, 1850926), (707, 1809038), (833, 1535402), (1078, 1186447), (1111, 1151206), (1309, 977074), (1382, 925463), (1414, 904519), (1666, 767701), (1717, 744898), (2222, 575603), (2618, 488537), (3434, 372449), (4837, 264418), (4949, 258434), (7601, 168266), (7777, 164458), (9163, 139582), (9674, 132209), (9898, 129217), (11747, 108878), (12019, 106414), (15202, 84133), (15554, 82229), (18326, 69791), (18887, 67718), (23494, 54439), (24038, 53207), (33859, 37774)]