163020455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 219542400

約数和(自身を除く): 56521945

約数列:

[1, 5, 13, 29, 65, 145, 197, 377, 439, 985, 1885, 2195, 2561, 5707, 5713, 12731, 12805, 28535, 28565, 63655, 74269, 86483, 165503, 371345, 432415, 827515, 1124279, 2508007, 5621395, 12540035, 32604091, 163020455]

約数ペア:

[(1, 163020455), (5, 32604091), (13, 12540035), (29, 5621395), (65, 2508007), (145, 1124279), (197, 827515), (377, 432415), (439, 371345), (985, 165503), (1885, 86483), (2195, 74269), (2561, 63655), (5707, 28565), (5713, 28535), (12731, 12805)]