989768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 2069760

約数和(自身を除く): 1079992

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 307, 403, 614, 806, 1228, 1612, 2456, 3224, 3991, 7982, 9517, 15964, 19034, 31928, 38068, 76136, 123721, 247442, 494884, 989768]

約数ペア:

[(1, 989768), (2, 494884), (4, 247442), (8, 123721), (13, 76136), (26, 38068), (31, 31928), (52, 19034), (62, 15964), (104, 9517), (124, 7982), (248, 3991), (307, 3224), (403, 2456), (614, 1612), (806, 1228)]