42784898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 72145920

約数和(自身を除く): 29361022

約数列:

[1, 2, 13, 26, 31, 62, 109, 218, 403, 487, 806, 974, 1417, 2834, 3379, 6331, 6758, 12662, 15097, 30194, 43927, 53083, 87854, 106166, 196261, 392522, 690079, 1380158, 1645573, 3291146, 21392449, 42784898]

約数ペア:

[(1, 42784898), (2, 21392449), (13, 3291146), (26, 1645573), (31, 1380158), (62, 690079), (109, 392522), (218, 196261), (403, 106166), (487, 87854), (806, 53083), (974, 43927), (1417, 30194), (2834, 15097), (3379, 12662), (6331, 6758)]