64878806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 105235200

約数和(自身を除く): 40356394

約数列:

[1, 2, 19, 38, 71, 139, 142, 173, 278, 346, 1349, 2641, 2698, 3287, 5282, 6574, 9869, 12283, 19738, 24047, 24566, 48094, 187511, 233377, 375022, 456893, 466754, 913786, 1707337, 3414674, 32439403, 64878806]

約数ペア:

[(1, 64878806), (2, 32439403), (19, 3414674), (38, 1707337), (71, 913786), (139, 466754), (142, 456893), (173, 375022), (278, 233377), (346, 187511), (1349, 48094), (2641, 24566), (2698, 24047), (3287, 19738), (5282, 12283), (6574, 9869)]