8156918084

素因数分解:

$2^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 16756927488

約数和(自身を除く): 8600009404

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 431, 433, 446, 862, 866, 892, 1561, 1724, 1732, 3017, 3031, 3122, 6034, 6062, 6244, 10927, 12068, 12124, 21119, 21217, 21854, 42238, 42434, 43708, 84476, 84868, 96113, 96559, 186623, 192226, 193118, 373246, 384452, 386236, 672791, 675913, 746492, 1306361, 1345582, 1351826, 2612722, 2691164, 2703652, 4709537, 4731391, 5225444, 9144527, 9419074, 9462782, 18289054, 18838148, 18925564, 36578108, 41616929, 83233858, 166467716, 291318503, 582637006, 1165274012, 2039229521, 4078459042, 8156918084]

約数ペア:

[(1, 8156918084), (2, 4078459042), (4, 2039229521), (7, 1165274012), (14, 582637006), (28, 291318503), (49, 166467716), (98, 83233858), (196, 41616929), (223, 36578108), (431, 18925564), (433, 18838148), (446, 18289054), (862, 9462782), (866, 9419074), (892, 9144527), (1561, 5225444), (1724, 4731391), (1732, 4709537), (3017, 2703652), (3031, 2691164), (3122, 2612722), (6034, 1351826), (6062, 1345582), (6244, 1306361), (10927, 746492), (12068, 675913), (12124, 672791), (21119, 386236), (21217, 384452), (21854, 373246), (42238, 193118), (42434, 192226), (43708, 186623), (84476, 96559), (84868, 96113)]