25218018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{761}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 62764416

約数和(自身を除く): 37546398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 526, 761, 789, 1522, 1578, 1841, 2283, 2367, 3682, 4566, 4734, 5327, 5523, 6849, 10654, 11046, 13698, 15981, 16569, 31962, 33138, 47943, 95886, 200143, 400286, 600429, 1200858, 1401001, 1801287, 2802002, 3602574, 4203003, 8406006, 12609009, 25218018]

約数ペア:

[(1, 25218018), (2, 12609009), (3, 8406006), (6, 4203003), (7, 3602574), (9, 2802002), (14, 1801287), (18, 1401001), (21, 1200858), (42, 600429), (63, 400286), (126, 200143), (263, 95886), (526, 47943), (761, 33138), (789, 31962), (1522, 16569), (1578, 15981), (1841, 13698), (2283, 11046), (2367, 10654), (3682, 6849), (4566, 5523), (4734, 5327)]