81968432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3010

約数の個数: 80

約数和(自身を含む): 205820160

約数和(自身を除く): 123851728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 2963, 3458, 3952, 5926, 6916, 11852, 13832, 20741, 23704, 27664, 38519, 41482, 47408, 56297, 77038, 82964, 112594, 154076, 165928, 225188, 269633, 308152, 331856, 394079, 450376, 539266, 616304, 731861, 788158, 900752, 1078532, 1463722, 1576316, 2157064, 2927444, 3152632, 4314128, 5123027, 5854888, 6305264, 10246054, 11709776, 20492108, 40984216, 81968432]

約数ペア:

[(1, 81968432), (2, 40984216), (4, 20492108), (7, 11709776), (8, 10246054), (13, 6305264), (14, 5854888), (16, 5123027), (19, 4314128), (26, 3152632), (28, 2927444), (38, 2157064), (52, 1576316), (56, 1463722), (76, 1078532), (91, 900752), (104, 788158), (112, 731861), (133, 616304), (152, 539266), (182, 450376), (208, 394079), (247, 331856), (266, 308152), (304, 269633), (364, 225188), (494, 165928), (532, 154076), (728, 112594), (988, 82964), (1064, 77038), (1456, 56297), (1729, 47408), (1976, 41482), (2128, 38519), (2963, 27664), (3458, 23704), (3952, 20741), (5926, 13832), (6916, 11852)]