81738608

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 193559040

約数和(自身を除く): 111820432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 266, 284, 304, 497, 532, 541, 568, 994, 1064, 1082, 1136, 1349, 1988, 2128, 2164, 2698, 3787, 3976, 4328, 5396, 7574, 7952, 8656, 9443, 10279, 10792, 15148, 18886, 20558, 21584, 30296, 37772, 38411, 41116, 60592, 71953, 75544, 76822, 82232, 143906, 151088, 153644, 164464, 268877, 287812, 307288, 537754, 575624, 614576, 729809, 1075508, 1151248, 1459618, 2151016, 2919236, 4302032, 5108663, 5838472, 10217326, 11676944, 20434652, 40869304, 81738608]

約数ペア:

[(1, 81738608), (2, 40869304), (4, 20434652), (7, 11676944), (8, 10217326), (14, 5838472), (16, 5108663), (19, 4302032), (28, 2919236), (38, 2151016), (56, 1459618), (71, 1151248), (76, 1075508), (112, 729809), (133, 614576), (142, 575624), (152, 537754), (266, 307288), (284, 287812), (304, 268877), (497, 164464), (532, 153644), (541, 151088), (568, 143906), (994, 82232), (1064, 76822), (1082, 75544), (1136, 71953), (1349, 60592), (1988, 41116), (2128, 38411), (2164, 37772), (2698, 30296), (3787, 21584), (3976, 20558), (4328, 18886), (5396, 15148), (7574, 10792), (7952, 10279), (8656, 9443)]