2581712

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 6043140

約数和(自身を除く): 3461428

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 89, 98, 112, 148, 178, 196, 259, 296, 356, 392, 518, 592, 623, 712, 784, 1036, 1246, 1424, 1813, 2072, 2492, 3293, 3626, 4144, 4361, 4984, 6586, 7252, 8722, 9968, 13172, 14504, 17444, 23051, 26344, 29008, 34888, 46102, 52688, 69776, 92204, 161357, 184408, 322714, 368816, 645428, 1290856, 2581712]

約数ペア:

[(1, 2581712), (2, 1290856), (4, 645428), (7, 368816), (8, 322714), (14, 184408), (16, 161357), (28, 92204), (37, 69776), (49, 52688), (56, 46102), (74, 34888), (89, 29008), (98, 26344), (112, 23051), (148, 17444), (178, 14504), (196, 13172), (259, 9968), (296, 8722), (356, 7252), (392, 6586), (518, 4984), (592, 4361), (623, 4144), (712, 3626), (784, 3293), (1036, 2492), (1246, 2072), (1424, 1813)]