81443056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 175301280

約数和(自身を除く): 93858224

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 67, 68, 82, 109, 134, 136, 164, 218, 268, 272, 328, 436, 536, 656, 697, 872, 1072, 1139, 1394, 1744, 1853, 2278, 2747, 2788, 3706, 4469, 4556, 5494, 5576, 7303, 7412, 8938, 9112, 10988, 11152, 14606, 14824, 17876, 18224, 21976, 29212, 29648, 35752, 43952, 46699, 58424, 71504, 75973, 93398, 116848, 124151, 151946, 186796, 248302, 299423, 303892, 373592, 496604, 598846, 607784, 747184, 993208, 1197692, 1215568, 1986416, 2395384, 4790768, 5090191, 10180382, 20360764, 40721528, 81443056]

約数ペア:

[(1, 81443056), (2, 40721528), (4, 20360764), (8, 10180382), (16, 5090191), (17, 4790768), (34, 2395384), (41, 1986416), (67, 1215568), (68, 1197692), (82, 993208), (109, 747184), (134, 607784), (136, 598846), (164, 496604), (218, 373592), (268, 303892), (272, 299423), (328, 248302), (436, 186796), (536, 151946), (656, 124151), (697, 116848), (872, 93398), (1072, 75973), (1139, 71504), (1394, 58424), (1744, 46699), (1853, 43952), (2278, 35752), (2747, 29648), (2788, 29212), (3706, 21976), (4469, 18224), (4556, 17876), (5494, 14824), (5576, 14606), (7303, 11152), (7412, 10988), (8938, 9112)]