61981496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 122754000

約数和(自身を除く): 60772504

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 818, 997, 1636, 1994, 3272, 3988, 7771, 7976, 15542, 18943, 31084, 37886, 62168, 75772, 151544, 407773, 815546, 1631092, 3262184, 7747687, 15495374, 30990748, 61981496]

約数ペア:

[(1, 61981496), (2, 30990748), (4, 15495374), (8, 7747687), (19, 3262184), (38, 1631092), (76, 815546), (152, 407773), (409, 151544), (818, 75772), (997, 62168), (1636, 37886), (1994, 31084), (3272, 18943), (3988, 15542), (7771, 7976)]