25561242

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 72

約数和(自身を含む): 65471796

約数和(自身を除く): 39910554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 397, 438, 441, 511, 657, 794, 882, 1022, 1191, 1314, 1533, 2382, 2779, 3066, 3573, 3577, 4599, 5558, 7146, 7154, 8337, 9198, 10731, 16674, 19453, 21462, 25011, 28981, 32193, 38906, 50022, 57962, 58359, 64386, 86943, 116718, 173886, 175077, 202867, 260829, 350154, 405734, 521658, 608601, 1217202, 1420069, 1825803, 2840138, 3651606, 4260207, 8520414, 12780621, 25561242]

約数ペア:

[(1, 25561242), (2, 12780621), (3, 8520414), (6, 4260207), (7, 3651606), (9, 2840138), (14, 1825803), (18, 1420069), (21, 1217202), (42, 608601), (49, 521658), (63, 405734), (73, 350154), (98, 260829), (126, 202867), (146, 175077), (147, 173886), (219, 116718), (294, 86943), (397, 64386), (438, 58359), (441, 57962), (511, 50022), (657, 38906), (794, 32193), (882, 28981), (1022, 25011), (1191, 21462), (1314, 19453), (1533, 16674), (2382, 10731), (2779, 9198), (3066, 8337), (3573, 7154), (3577, 7146), (4599, 5558)]