1271988

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 3259620

約数和(自身を除く): 1987632

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 397, 534, 794, 801, 1068, 1191, 1588, 1602, 2382, 3204, 3573, 4764, 7146, 14292, 35333, 70666, 105999, 141332, 211998, 317997, 423996, 635994, 1271988]

約数ペア:

[(1, 1271988), (2, 635994), (3, 423996), (4, 317997), (6, 211998), (9, 141332), (12, 105999), (18, 70666), (36, 35333), (89, 14292), (178, 7146), (267, 4764), (356, 3573), (397, 3204), (534, 2382), (794, 1602), (801, 1588), (1068, 1191)]