31319456

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1677

約数の個数: 48

約数和(自身を含む): 71305920

約数和(自身を除く): 39986464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1246, 1424, 1571, 2492, 2848, 3142, 4984, 6284, 9968, 10997, 12568, 19936, 21994, 25136, 43988, 50272, 87976, 139819, 175952, 279638, 351904, 559276, 978733, 1118552, 1957466, 2237104, 3914932, 4474208, 7829864, 15659728, 31319456]

約数ペア:

[(1, 31319456), (2, 15659728), (4, 7829864), (7, 4474208), (8, 3914932), (14, 2237104), (16, 1957466), (28, 1118552), (32, 978733), (56, 559276), (89, 351904), (112, 279638), (178, 175952), (224, 139819), (356, 87976), (623, 50272), (712, 43988), (1246, 25136), (1424, 21994), (1571, 19936), (2492, 12568), (2848, 10997), (3142, 9968), (4984, 6284)]