81077828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 165808944

約数和(自身を除く): 84731116

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 697, 884, 1066, 1394, 2132, 2237, 2788, 4474, 8948, 9061, 18122, 29081, 36244, 38029, 58162, 76058, 91717, 116324, 152116, 183434, 366868, 494377, 988754, 1192321, 1559189, 1977508, 2384642, 3118378, 4769284, 6236756, 20269457, 40538914, 81077828]

約数ペア:

[(1, 81077828), (2, 40538914), (4, 20269457), (13, 6236756), (17, 4769284), (26, 3118378), (34, 2384642), (41, 1977508), (52, 1559189), (68, 1192321), (82, 988754), (164, 494377), (221, 366868), (442, 183434), (533, 152116), (697, 116324), (884, 91717), (1066, 76058), (1394, 58162), (2132, 38029), (2237, 36244), (2788, 29081), (4474, 18122), (8948, 9061)]