81534076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 159042240

約数和(自身を除く): 77508164

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 167, 229, 334, 458, 533, 668, 916, 1066, 2132, 2171, 2977, 4342, 5954, 6847, 8684, 9389, 11908, 13694, 18778, 27388, 37556, 38243, 76486, 89011, 122057, 152972, 178022, 244114, 356044, 488228, 497159, 994318, 1567963, 1988636, 3135926, 6271852, 20383519, 40767038, 81534076]

約数ペア:

[(1, 81534076), (2, 40767038), (4, 20383519), (13, 6271852), (26, 3135926), (41, 1988636), (52, 1567963), (82, 994318), (164, 497159), (167, 488228), (229, 356044), (334, 244114), (458, 178022), (533, 152972), (668, 122057), (916, 89011), (1066, 76486), (2132, 38243), (2171, 37556), (2977, 27388), (4342, 18778), (5954, 13694), (6847, 11908), (8684, 9389)]