128321284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1553}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 277780608

約数和(自身を除く): 149459324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 227, 364, 454, 908, 1553, 1589, 2951, 3106, 3178, 5902, 6212, 6356, 10871, 11804, 20189, 20657, 21742, 40378, 41314, 43484, 80756, 82628, 141323, 282646, 352531, 565292, 705062, 1410124, 2467717, 4582903, 4935434, 9165806, 9870868, 18331612, 32080321, 64160642, 128321284]

約数ペア:

[(1, 128321284), (2, 64160642), (4, 32080321), (7, 18331612), (13, 9870868), (14, 9165806), (26, 4935434), (28, 4582903), (52, 2467717), (91, 1410124), (182, 705062), (227, 565292), (364, 352531), (454, 282646), (908, 141323), (1553, 82628), (1589, 80756), (2951, 43484), (3106, 41314), (3178, 40378), (5902, 21742), (6212, 20657), (6356, 20189), (10871, 11804)]