31516308

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1783}}^1$

素因数の和:2284

約数の個数: 36

約数和(自身を含む): 79873248

約数和(自身を除く): 48356940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1783, 1964, 2946, 3566, 4419, 5349, 5892, 7132, 8838, 10698, 16047, 17676, 21396, 32094, 64188, 875453, 1750906, 2626359, 3501812, 5252718, 7879077, 10505436, 15758154, 31516308]

約数ペア:

[(1, 31516308), (2, 15758154), (3, 10505436), (4, 7879077), (6, 5252718), (9, 3501812), (12, 2626359), (18, 1750906), (36, 875453), (491, 64188), (982, 32094), (1473, 21396), (1783, 17676), (1964, 16047), (2946, 10698), (3566, 8838), (4419, 7132), (5349, 5892)]