31120096

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 72

約数和(自身を含む): 72394560

約数和(自身を除く): 41274464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 223, 224, 356, 392, 446, 623, 712, 784, 892, 1246, 1424, 1561, 1568, 1784, 2492, 2848, 3122, 3568, 4361, 4984, 6244, 7136, 8722, 9968, 10927, 12488, 17444, 19847, 19936, 21854, 24976, 34888, 39694, 43708, 49952, 69776, 79388, 87416, 138929, 139552, 158776, 174832, 277858, 317552, 349664, 555716, 635104, 972503, 1111432, 1945006, 2222864, 3890012, 4445728, 7780024, 15560048, 31120096]

約数ペア:

[(1, 31120096), (2, 15560048), (4, 7780024), (7, 4445728), (8, 3890012), (14, 2222864), (16, 1945006), (28, 1111432), (32, 972503), (49, 635104), (56, 555716), (89, 349664), (98, 317552), (112, 277858), (178, 174832), (196, 158776), (223, 139552), (224, 138929), (356, 87416), (392, 79388), (446, 69776), (623, 49952), (712, 43708), (784, 39694), (892, 34888), (1246, 24976), (1424, 21854), (1561, 19936), (1568, 19847), (1784, 17444), (2492, 12488), (2848, 10927), (3122, 9968), (3568, 8722), (4361, 7136), (4984, 6244)]