628339994

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 1047280608

約数和(自身を除く): 418940614

約数列:

[1, 2, 19, 37, 38, 43, 74, 86, 361, 547, 703, 722, 817, 1094, 1406, 1591, 1634, 3182, 10393, 13357, 15523, 20239, 20786, 23521, 26714, 30229, 31046, 40478, 47042, 60458, 197467, 384541, 394934, 446899, 574351, 769082, 870277, 893798, 1148702, 1740554, 7306279, 8491081, 14612558, 16535263, 16982162, 33070526, 314169997, 628339994]

約数ペア:

[(1, 628339994), (2, 314169997), (19, 33070526), (37, 16982162), (38, 16535263), (43, 14612558), (74, 8491081), (86, 7306279), (361, 1740554), (547, 1148702), (703, 893798), (722, 870277), (817, 769082), (1094, 574351), (1406, 446899), (1591, 394934), (1634, 384541), (3182, 197467), (10393, 60458), (13357, 47042), (15523, 40478), (20239, 31046), (20786, 30229), (23521, 26714)]