31390488

素因数分解:

$2^3\times 3^2\times {\mathrm{449}}^1\times {\mathrm{971}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 85293000

約数和(自身を除く): 53902512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 449, 898, 971, 1347, 1796, 1942, 2694, 2913, 3592, 3884, 4041, 5388, 5826, 7768, 8082, 8739, 10776, 11652, 16164, 17478, 23304, 32328, 34956, 69912, 435979, 871958, 1307937, 1743916, 2615874, 3487832, 3923811, 5231748, 7847622, 10463496, 15695244, 31390488]

約数ペア:

[(1, 31390488), (2, 15695244), (3, 10463496), (4, 7847622), (6, 5231748), (8, 3923811), (9, 3487832), (12, 2615874), (18, 1743916), (24, 1307937), (36, 871958), (72, 435979), (449, 69912), (898, 34956), (971, 32328), (1347, 23304), (1796, 17478), (1942, 16164), (2694, 11652), (2913, 10776), (3592, 8739), (3884, 8082), (4041, 7768), (5388, 5826)]