71129996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 155667456

約数和(自身を除く): 84537460

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 227, 266, 361, 434, 454, 532, 589, 722, 868, 908, 1178, 1444, 1589, 2356, 2527, 3178, 4123, 4313, 5054, 6356, 7037, 8246, 8626, 10108, 11191, 14074, 16492, 17252, 22382, 28148, 30191, 44764, 49259, 60382, 78337, 81947, 98518, 120764, 133703, 156674, 163894, 197036, 267406, 313348, 327788, 534812, 573629, 935921, 1147258, 1871842, 2294516, 2540357, 3743684, 5080714, 10161428, 17782499, 35564998, 71129996]

約数ペア:

[(1, 71129996), (2, 35564998), (4, 17782499), (7, 10161428), (14, 5080714), (19, 3743684), (28, 2540357), (31, 2294516), (38, 1871842), (62, 1147258), (76, 935921), (124, 573629), (133, 534812), (217, 327788), (227, 313348), (266, 267406), (361, 197036), (434, 163894), (454, 156674), (532, 133703), (589, 120764), (722, 98518), (868, 81947), (908, 78337), (1178, 60382), (1444, 49259), (1589, 44764), (2356, 30191), (2527, 28148), (3178, 22382), (4123, 17252), (4313, 16492), (5054, 14074), (6356, 11191), (7037, 10108), (8246, 8626)]