81900204

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 195987456

約数和(自身を除く): 114087252

約数列:

[1, 2, 3, 4, 6, 12, 71, 97, 142, 194, 213, 284, 291, 388, 426, 582, 852, 991, 1164, 1982, 2973, 3964, 5946, 6887, 11892, 13774, 20661, 27548, 41322, 70361, 82644, 96127, 140722, 192254, 211083, 281444, 288381, 384508, 422166, 576762, 844332, 1153524, 6825017, 13650034, 20475051, 27300068, 40950102, 81900204]

約数ペア:

[(1, 81900204), (2, 40950102), (3, 27300068), (4, 20475051), (6, 13650034), (12, 6825017), (71, 1153524), (97, 844332), (142, 576762), (194, 422166), (213, 384508), (284, 288381), (291, 281444), (388, 211083), (426, 192254), (582, 140722), (852, 96127), (991, 82644), (1164, 70361), (1982, 41322), (2973, 27548), (3964, 20661), (5946, 13774), (6887, 11892)]