31268528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1409}}^1$

素因数の和:1509

約数の個数: 40

約数和(自身を含む): 64690800

約数和(自身を除く): 33422272

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1387, 1409, 2774, 2818, 5548, 5636, 11096, 11272, 22192, 22544, 26771, 53542, 102857, 107084, 205714, 214168, 411428, 428336, 822856, 1645712, 1954283, 3908566, 7817132, 15634264, 31268528]

約数ペア:

[(1, 31268528), (2, 15634264), (4, 7817132), (8, 3908566), (16, 1954283), (19, 1645712), (38, 822856), (73, 428336), (76, 411428), (146, 214168), (152, 205714), (292, 107084), (304, 102857), (584, 53542), (1168, 26771), (1387, 22544), (1409, 22192), (2774, 11272), (2818, 11096), (5548, 5636)]