40315891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 56056320

約数和(自身を除く): 15740429

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 1621, 2261, 3553, 11347, 17831, 24871, 27557, 30799, 124817, 192899, 215593, 303127, 338789, 523583, 2121889, 2371523, 3665081, 5759413, 40315891]

約数ペア:

[(1, 40315891), (7, 5759413), (11, 3665081), (17, 2371523), (19, 2121889), (77, 523583), (119, 338789), (133, 303127), (187, 215593), (209, 192899), (323, 124817), (1309, 30799), (1463, 27557), (1621, 24871), (2261, 17831), (3553, 11347)]