321380402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1879}}^1$

素因数の和:2550

約数の個数: 32

約数和(自身を含む): 581145600

約数和(自身を除く): 259765198

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 643, 1286, 1879, 3758, 4501, 9002, 12217, 13153, 24434, 26306, 35701, 71402, 85519, 171038, 249907, 499814, 1208197, 2416394, 8457379, 16914758, 22955743, 45911486, 160690201, 321380402]

約数ペア:

[(1, 321380402), (2, 160690201), (7, 45911486), (14, 22955743), (19, 16914758), (38, 8457379), (133, 2416394), (266, 1208197), (643, 499814), (1286, 249907), (1879, 171038), (3758, 85519), (4501, 71402), (9002, 35701), (12217, 26306), (13153, 24434)]