31997002

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 51819264

約数和(自身を除く): 19822262

約数列:

[1, 2, 23, 46, 71, 97, 101, 142, 194, 202, 1633, 2231, 2323, 3266, 4462, 4646, 6887, 7171, 9797, 13774, 14342, 19594, 158401, 164933, 225331, 316802, 329866, 450662, 695587, 1391174, 15998501, 31997002]

約数ペア:

[(1, 31997002), (2, 15998501), (23, 1391174), (46, 695587), (71, 450662), (97, 329866), (101, 316802), (142, 225331), (194, 164933), (202, 158401), (1633, 19594), (2231, 14342), (2323, 13774), (3266, 9797), (4462, 7171), (4646, 6887)]