42857872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 86994432

約数和(自身を除く): 44136560

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 1217, 2201, 2434, 4402, 4868, 8804, 9736, 17608, 19472, 35216, 37727, 75454, 86407, 150908, 172814, 301816, 345628, 603632, 691256, 1382512, 2678617, 5357234, 10714468, 21428936, 42857872]

約数ペア:

[(1, 42857872), (2, 21428936), (4, 10714468), (8, 5357234), (16, 2678617), (31, 1382512), (62, 691256), (71, 603632), (124, 345628), (142, 301816), (248, 172814), (284, 150908), (496, 86407), (568, 75454), (1136, 37727), (1217, 35216), (2201, 19472), (2434, 17608), (4402, 9736), (4868, 8804)]