1221489784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101723}}^1$

素因数の和:101827

約数の個数: 32

約数和(自身を含む): 2441376000

約数和(自身を除く): 1219886216

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 3002, 6004, 12008, 101723, 203446, 406892, 813784, 1932737, 3865474, 7730948, 8036117, 15461896, 16072234, 32144468, 64288936, 152686223, 305372446, 610744892, 1221489784]

約数ペア:

[(1, 1221489784), (2, 610744892), (4, 305372446), (8, 152686223), (19, 64288936), (38, 32144468), (76, 16072234), (79, 15461896), (152, 8036117), (158, 7730948), (316, 3865474), (632, 1932737), (1501, 813784), (3002, 406892), (6004, 203446), (12008, 101723)]