168202925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 238389504

約数和(自身を除く): 70186579

約数列:

[1, 5, 11, 25, 37, 55, 61, 185, 271, 275, 305, 407, 671, 925, 1355, 1525, 2035, 2257, 2981, 3355, 6775, 10027, 10175, 11285, 14905, 16531, 16775, 24827, 50135, 56425, 74525, 82655, 110297, 124135, 181841, 250675, 413275, 551485, 611647, 620675, 909205, 2757425, 3058235, 4546025, 6728117, 15291175, 33640585, 168202925]

約数ペア:

[(1, 168202925), (5, 33640585), (11, 15291175), (25, 6728117), (37, 4546025), (55, 3058235), (61, 2757425), (185, 909205), (271, 620675), (275, 611647), (305, 551485), (407, 413275), (671, 250675), (925, 181841), (1355, 124135), (1525, 110297), (2035, 82655), (2257, 74525), (2981, 56425), (3355, 50135), (6775, 24827), (10027, 16775), (10175, 16531), (11285, 14905)]