164728816

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 386850240

約数和(自身を除く): 222121424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 41, 56, 58, 82, 112, 116, 164, 203, 232, 287, 328, 406, 464, 574, 656, 812, 1148, 1189, 1237, 1624, 2296, 2378, 2474, 3248, 4592, 4756, 4948, 8323, 8659, 9512, 9896, 16646, 17318, 19024, 19792, 33292, 34636, 35873, 50717, 66584, 69272, 71746, 101434, 133168, 138544, 143492, 202868, 251111, 286984, 355019, 405736, 502222, 573968, 710038, 811472, 1004444, 1420076, 1470793, 2008888, 2840152, 2941586, 4017776, 5680304, 5883172, 10295551, 11766344, 20591102, 23532688, 41182204, 82364408, 164728816]

約数ペア:

[(1, 164728816), (2, 82364408), (4, 41182204), (7, 23532688), (8, 20591102), (14, 11766344), (16, 10295551), (28, 5883172), (29, 5680304), (41, 4017776), (56, 2941586), (58, 2840152), (82, 2008888), (112, 1470793), (116, 1420076), (164, 1004444), (203, 811472), (232, 710038), (287, 573968), (328, 502222), (406, 405736), (464, 355019), (574, 286984), (656, 251111), (812, 202868), (1148, 143492), (1189, 138544), (1237, 133168), (1624, 101434), (2296, 71746), (2378, 69272), (2474, 66584), (3248, 50717), (4592, 35873), (4756, 34636), (4948, 33292), (8323, 19792), (8659, 19024), (9512, 17318), (9896, 16646)]