25540508

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 27702052

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 89, 148, 178, 259, 277, 356, 518, 554, 623, 1036, 1108, 1246, 1939, 2492, 3293, 3878, 6586, 7756, 10249, 13172, 20498, 23051, 24653, 40996, 46102, 49306, 71743, 92204, 98612, 143486, 172571, 286972, 345142, 690284, 912161, 1824322, 3648644, 6385127, 12770254, 25540508]

約数ペア:

[(1, 25540508), (2, 12770254), (4, 6385127), (7, 3648644), (14, 1824322), (28, 912161), (37, 690284), (74, 345142), (89, 286972), (148, 172571), (178, 143486), (259, 98612), (277, 92204), (356, 71743), (518, 49306), (554, 46102), (623, 40996), (1036, 24653), (1108, 23051), (1246, 20498), (1939, 13172), (2492, 10249), (3293, 7756), (3878, 6586)]