71780176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 161864640

約数和(自身を除く): 90084464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 208, 247, 304, 328, 443, 494, 533, 656, 779, 886, 988, 1066, 1558, 1772, 1976, 2132, 3116, 3544, 3952, 4264, 5759, 6232, 7088, 8417, 8528, 10127, 11518, 12464, 16834, 18163, 20254, 23036, 33668, 36326, 40508, 46072, 67336, 72652, 81016, 92144, 109421, 134672, 145304, 162032, 218842, 236119, 290608, 345097, 437684, 472238, 690194, 875368, 944476, 1380388, 1750736, 1888952, 2760776, 3777904, 4486261, 5521552, 8972522, 17945044, 35890088, 71780176]

約数ペア:

[(1, 71780176), (2, 35890088), (4, 17945044), (8, 8972522), (13, 5521552), (16, 4486261), (19, 3777904), (26, 2760776), (38, 1888952), (41, 1750736), (52, 1380388), (76, 944476), (82, 875368), (104, 690194), (152, 472238), (164, 437684), (208, 345097), (247, 290608), (304, 236119), (328, 218842), (443, 162032), (494, 145304), (533, 134672), (656, 109421), (779, 92144), (886, 81016), (988, 72652), (1066, 67336), (1558, 46072), (1772, 40508), (1976, 36326), (2132, 33668), (3116, 23036), (3544, 20254), (3952, 18163), (4264, 16834), (5759, 12464), (6232, 11518), (7088, 10127), (8417, 8528)]