40143258

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 89361792

約数和(自身を除く): 49218534

約数列:

[1, 2, 3, 6, 9, 18, 71, 101, 142, 202, 213, 303, 311, 426, 606, 622, 639, 909, 933, 1278, 1818, 1866, 2799, 5598, 7171, 14342, 21513, 22081, 31411, 43026, 44162, 62822, 64539, 66243, 94233, 129078, 132486, 188466, 198729, 282699, 397458, 565398, 2230181, 4460362, 6690543, 13381086, 20071629, 40143258]

約数ペア:

[(1, 40143258), (2, 20071629), (3, 13381086), (6, 6690543), (9, 4460362), (18, 2230181), (71, 565398), (101, 397458), (142, 282699), (202, 198729), (213, 188466), (303, 132486), (311, 129078), (426, 94233), (606, 66243), (622, 64539), (639, 62822), (909, 44162), (933, 43026), (1278, 31411), (1818, 22081), (1866, 21513), (2799, 14342), (5598, 7171)]