890331572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{887}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 1705670400

約数和(自身を除く): 815338828

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 199, 388, 398, 796, 887, 1261, 1774, 2522, 2587, 3548, 5044, 5174, 10348, 11531, 19303, 23062, 38606, 46124, 77212, 86039, 172078, 176513, 250939, 344156, 353026, 501878, 706052, 1003756, 1118507, 2237014, 2294669, 4474028, 4589338, 9178676, 17121761, 34243522, 68487044, 222582893, 445165786, 890331572]

約数ペア:

[(1, 890331572), (2, 445165786), (4, 222582893), (13, 68487044), (26, 34243522), (52, 17121761), (97, 9178676), (194, 4589338), (199, 4474028), (388, 2294669), (398, 2237014), (796, 1118507), (887, 1003756), (1261, 706052), (1774, 501878), (2522, 353026), (2587, 344156), (3548, 250939), (5044, 176513), (5174, 172078), (10348, 86039), (11531, 77212), (19303, 46124), (23062, 38606)]