1878288385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 2377301760

約数和(自身を除く): 499013375

約数列:

[1, 5, 29, 67, 145, 335, 397, 487, 1943, 1985, 2435, 9715, 11513, 14123, 26599, 32629, 57565, 70615, 132995, 163145, 193339, 771371, 946241, 966695, 3856855, 4731205, 5606831, 12953713, 28034155, 64768565, 375657677, 1878288385]

約数ペア:

[(1, 1878288385), (5, 375657677), (29, 64768565), (67, 28034155), (145, 12953713), (335, 5606831), (397, 4731205), (487, 3856855), (1943, 966695), (1985, 946241), (2435, 771371), (9715, 193339), (11513, 163145), (14123, 132995), (26599, 70615), (32629, 57565)]