68686576

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 159735808

約数和(自身を除く): 91049232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 271, 292, 434, 496, 511, 542, 584, 868, 1022, 1084, 1168, 1736, 1897, 2044, 2168, 2263, 3472, 3794, 4088, 4336, 4526, 7588, 8176, 8401, 9052, 15176, 15841, 16802, 18104, 19783, 30352, 31682, 33604, 36208, 39566, 58807, 63364, 67208, 79132, 117614, 126728, 134416, 138481, 158264, 235228, 253456, 276962, 316528, 470456, 553924, 613273, 940912, 1107848, 1226546, 2215696, 2453092, 4292911, 4906184, 8585822, 9812368, 17171644, 34343288, 68686576]

約数ペア:

[(1, 68686576), (2, 34343288), (4, 17171644), (7, 9812368), (8, 8585822), (14, 4906184), (16, 4292911), (28, 2453092), (31, 2215696), (56, 1226546), (62, 1107848), (73, 940912), (112, 613273), (124, 553924), (146, 470456), (217, 316528), (248, 276962), (271, 253456), (292, 235228), (434, 158264), (496, 138481), (511, 134416), (542, 126728), (584, 117614), (868, 79132), (1022, 67208), (1084, 63364), (1168, 58807), (1736, 39566), (1897, 36208), (2044, 33604), (2168, 31682), (2263, 30352), (3472, 19783), (3794, 18104), (4088, 16802), (4336, 15841), (4526, 15176), (7588, 9052), (8176, 8401)]