2009235788

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1601}}^1$

素因数の和:1975

約数の個数: 72

約数和(自身を含む): 4320978480

約数和(自身を除く): 2311742692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 337, 532, 674, 931, 1348, 1601, 1862, 2359, 3202, 3724, 4718, 6403, 6404, 9436, 11207, 12806, 16513, 22414, 25612, 30419, 33026, 44821, 44828, 60838, 66052, 78449, 89642, 121676, 156898, 179284, 212933, 313747, 313796, 425866, 539537, 627494, 851732, 1079074, 1254988, 1490531, 2158148, 2981062, 3776759, 5962124, 7553518, 10251203, 15107036, 20502406, 26437313, 41004812, 52874626, 71758421, 105749252, 143516842, 287033684, 502308947, 1004617894, 2009235788]

約数ペア:

[(1, 2009235788), (2, 1004617894), (4, 502308947), (7, 287033684), (14, 143516842), (19, 105749252), (28, 71758421), (38, 52874626), (49, 41004812), (76, 26437313), (98, 20502406), (133, 15107036), (196, 10251203), (266, 7553518), (337, 5962124), (532, 3776759), (674, 2981062), (931, 2158148), (1348, 1490531), (1601, 1254988), (1862, 1079074), (2359, 851732), (3202, 627494), (3724, 539537), (4718, 425866), (6403, 313796), (6404, 313747), (9436, 212933), (11207, 179284), (12806, 156898), (16513, 121676), (22414, 89642), (25612, 78449), (30419, 66052), (33026, 60838), (44821, 44828)]