816166295

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 1205197056

約数和(自身を除く): 389030761

約数列:

[1, 5, 7, 31, 35, 41, 49, 155, 205, 217, 245, 287, 1085, 1271, 1435, 1519, 2009, 2621, 6355, 7595, 8897, 10045, 13105, 18347, 44485, 62279, 81251, 91735, 107461, 128429, 311395, 406255, 537305, 568757, 642145, 752227, 2843785, 3331291, 3761135, 3981299, 5265589, 16656455, 19906495, 23319037, 26327945, 116595185, 163233259, 816166295]

約数ペア:

[(1, 816166295), (5, 163233259), (7, 116595185), (31, 26327945), (35, 23319037), (41, 19906495), (49, 16656455), (155, 5265589), (205, 3981299), (217, 3761135), (245, 3331291), (287, 2843785), (1085, 752227), (1271, 642145), (1435, 568757), (1519, 537305), (2009, 406255), (2621, 311395), (6355, 128429), (7595, 107461), (8897, 91735), (10045, 81251), (13105, 62279), (18347, 44485)]