90438172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^2\times {\mathrm{173}}^1$

素因数の和:406

約数の個数: 36

約数和(自身を含む): 175260456

約数和(自身を除く): 84822284

約数列:

[1, 2, 4, 11, 22, 44, 109, 173, 218, 346, 436, 692, 1199, 1903, 2398, 3806, 4796, 7612, 11881, 18857, 23762, 37714, 47524, 75428, 130691, 207427, 261382, 414854, 522764, 829708, 2055413, 4110826, 8221652, 22609543, 45219086, 90438172]

約数ペア:

[(1, 90438172), (2, 45219086), (4, 22609543), (11, 8221652), (22, 4110826), (44, 2055413), (109, 829708), (173, 522764), (218, 414854), (346, 261382), (436, 207427), (692, 130691), (1199, 75428), (1903, 47524), (2398, 37714), (3806, 23762), (4796, 18857), (7612, 11881)]