31163706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 79627860

約数和(自身を除く): 48464154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 89, 98, 126, 147, 178, 267, 294, 397, 441, 534, 623, 794, 801, 882, 1191, 1246, 1602, 1869, 2382, 2779, 3573, 3738, 4361, 5558, 5607, 7146, 8337, 8722, 11214, 13083, 16674, 19453, 25011, 26166, 35333, 38906, 39249, 50022, 58359, 70666, 78498, 105999, 116718, 175077, 211998, 247331, 317997, 350154, 494662, 635994, 741993, 1483986, 1731317, 2225979, 3462634, 4451958, 5193951, 10387902, 15581853, 31163706]

約数ペア:

[(1, 31163706), (2, 15581853), (3, 10387902), (6, 5193951), (7, 4451958), (9, 3462634), (14, 2225979), (18, 1731317), (21, 1483986), (42, 741993), (49, 635994), (63, 494662), (89, 350154), (98, 317997), (126, 247331), (147, 211998), (178, 175077), (267, 116718), (294, 105999), (397, 78498), (441, 70666), (534, 58359), (623, 50022), (794, 39249), (801, 38906), (882, 35333), (1191, 26166), (1246, 25011), (1602, 19453), (1869, 16674), (2382, 13083), (2779, 11214), (3573, 8722), (3738, 8337), (4361, 7146), (5558, 5607)]