81496912

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1916

約数の個数: 80

約数和(自身を含む): 199487232

約数和(自身を除く): 117990320

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1288, 1564, 1861, 1904, 2576, 2737, 3128, 3722, 5474, 6256, 7444, 10948, 13027, 14888, 21896, 26054, 29776, 31637, 42803, 43792, 52108, 63274, 85606, 104216, 126548, 171212, 208432, 221459, 253096, 299621, 342424, 442918, 506192, 599242, 684848, 727651, 885836, 1198484, 1455302, 1771672, 2396968, 2910604, 3543344, 4793936, 5093557, 5821208, 10187114, 11642416, 20374228, 40748456, 81496912]

約数ペア:

[(1, 81496912), (2, 40748456), (4, 20374228), (7, 11642416), (8, 10187114), (14, 5821208), (16, 5093557), (17, 4793936), (23, 3543344), (28, 2910604), (34, 2396968), (46, 1771672), (56, 1455302), (68, 1198484), (92, 885836), (112, 727651), (119, 684848), (136, 599242), (161, 506192), (184, 442918), (238, 342424), (272, 299621), (322, 253096), (368, 221459), (391, 208432), (476, 171212), (644, 126548), (782, 104216), (952, 85606), (1288, 63274), (1564, 52108), (1861, 43792), (1904, 42803), (2576, 31637), (2737, 29776), (3128, 26054), (3722, 21896), (5474, 14888), (6256, 13027), (7444, 10948)]