291570292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 581061600

約数和(自身を除く): 289491308

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 107, 116, 139, 169, 214, 278, 338, 377, 428, 556, 676, 754, 1391, 1508, 1807, 2782, 3103, 3614, 4031, 4901, 5564, 6206, 7228, 8062, 9802, 12412, 14873, 16124, 18083, 19604, 23491, 29746, 36166, 40339, 46982, 52403, 59492, 72332, 80678, 93964, 104806, 161356, 193349, 209612, 386698, 431317, 524407, 681239, 773396, 862634, 1048814, 1362478, 1725268, 2097628, 2513537, 2724956, 5027074, 5607121, 10054148, 11214242, 22428484, 72892573, 145785146, 291570292]

約数ペア:

[(1, 291570292), (2, 145785146), (4, 72892573), (13, 22428484), (26, 11214242), (29, 10054148), (52, 5607121), (58, 5027074), (107, 2724956), (116, 2513537), (139, 2097628), (169, 1725268), (214, 1362478), (278, 1048814), (338, 862634), (377, 773396), (428, 681239), (556, 524407), (676, 431317), (754, 386698), (1391, 209612), (1508, 193349), (1807, 161356), (2782, 104806), (3103, 93964), (3614, 80678), (4031, 72332), (4901, 59492), (5564, 52403), (6206, 46982), (7228, 40339), (8062, 36166), (9802, 29746), (12412, 23491), (14873, 19604), (16124, 18083)]