1220916918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{21067}}^1$

素因数の和:21828

約数の個数: 32

約数和(自身を含む): 2633331456

約数和(自身を除く): 1412414538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 743, 1486, 2229, 4458, 9659, 19318, 21067, 28977, 42134, 57954, 63201, 126402, 273871, 547742, 821613, 1643226, 15652781, 31305562, 46958343, 93916686, 203486153, 406972306, 610458459, 1220916918]

約数ペア:

[(1, 1220916918), (2, 610458459), (3, 406972306), (6, 203486153), (13, 93916686), (26, 46958343), (39, 31305562), (78, 15652781), (743, 1643226), (1486, 821613), (2229, 547742), (4458, 273871), (9659, 126402), (19318, 63201), (21067, 57954), (28977, 42134)]