25103556

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 40940604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 59, 106, 118, 159, 177, 212, 223, 236, 318, 354, 446, 477, 531, 636, 669, 708, 892, 954, 1062, 1338, 1908, 2007, 2124, 2676, 3127, 4014, 6254, 8028, 9381, 11819, 12508, 13157, 18762, 23638, 26314, 28143, 35457, 37524, 39471, 47276, 52628, 56286, 70914, 78942, 106371, 112572, 118413, 141828, 157884, 212742, 236826, 425484, 473652, 697321, 1394642, 2091963, 2789284, 4183926, 6275889, 8367852, 12551778, 25103556]

約数ペア:

[(1, 25103556), (2, 12551778), (3, 8367852), (4, 6275889), (6, 4183926), (9, 2789284), (12, 2091963), (18, 1394642), (36, 697321), (53, 473652), (59, 425484), (106, 236826), (118, 212742), (159, 157884), (177, 141828), (212, 118413), (223, 112572), (236, 106371), (318, 78942), (354, 70914), (446, 56286), (477, 52628), (531, 47276), (636, 39471), (669, 37524), (708, 35457), (892, 28143), (954, 26314), (1062, 23638), (1338, 18762), (1908, 13157), (2007, 12508), (2124, 11819), (2676, 9381), (3127, 8028), (4014, 6254)]