31678304

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 73687320

約数和(自身を除く): 42009016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 227, 356, 392, 454, 623, 712, 784, 908, 1246, 1424, 1568, 1589, 1816, 2492, 2848, 3178, 3632, 4361, 4984, 6356, 7264, 8722, 9968, 11123, 12712, 17444, 19936, 20203, 22246, 25424, 34888, 40406, 44492, 50848, 69776, 80812, 88984, 139552, 141421, 161624, 177968, 282842, 323248, 355936, 565684, 646496, 989947, 1131368, 1979894, 2262736, 3959788, 4525472, 7919576, 15839152, 31678304]

約数ペア:

[(1, 31678304), (2, 15839152), (4, 7919576), (7, 4525472), (8, 3959788), (14, 2262736), (16, 1979894), (28, 1131368), (32, 989947), (49, 646496), (56, 565684), (89, 355936), (98, 323248), (112, 282842), (178, 177968), (196, 161624), (224, 141421), (227, 139552), (356, 88984), (392, 80812), (454, 69776), (623, 50848), (712, 44492), (784, 40406), (908, 34888), (1246, 25424), (1424, 22246), (1568, 20203), (1589, 19936), (1816, 17444), (2492, 12712), (2848, 11123), (3178, 9968), (3632, 8722), (4361, 7264), (4984, 6356)]