188889428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 424639488

約数和(自身を除く): 235750060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 61, 91, 94, 122, 181, 182, 188, 244, 329, 362, 364, 427, 611, 658, 724, 793, 854, 1222, 1267, 1316, 1586, 1708, 2353, 2444, 2534, 2867, 3172, 4277, 4706, 5068, 5551, 5734, 8507, 8554, 9412, 11041, 11102, 11468, 16471, 17014, 17108, 20069, 22082, 22204, 32942, 34028, 37271, 40138, 44164, 59549, 65884, 74542, 77287, 80276, 110591, 119098, 143533, 149084, 154574, 221182, 238196, 260897, 287066, 309148, 442364, 518927, 521794, 574132, 774137, 1004731, 1037854, 1043588, 1548274, 2009462, 2075708, 3096548, 3632489, 4018924, 6746051, 7264978, 13492102, 14529956, 26984204, 47222357, 94444714, 188889428]

約数ペア:

[(1, 188889428), (2, 94444714), (4, 47222357), (7, 26984204), (13, 14529956), (14, 13492102), (26, 7264978), (28, 6746051), (47, 4018924), (52, 3632489), (61, 3096548), (91, 2075708), (94, 2009462), (122, 1548274), (181, 1043588), (182, 1037854), (188, 1004731), (244, 774137), (329, 574132), (362, 521794), (364, 518927), (427, 442364), (611, 309148), (658, 287066), (724, 260897), (793, 238196), (854, 221182), (1222, 154574), (1267, 149084), (1316, 143533), (1586, 119098), (1708, 110591), (2353, 80276), (2444, 77287), (2534, 74542), (2867, 65884), (3172, 59549), (4277, 44164), (4706, 40138), (5068, 37271), (5551, 34028), (5734, 32942), (8507, 22204), (8554, 22082), (9412, 20069), (11041, 17108), (11102, 17014), (11468, 16471)]