80838758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 164505600

約数和(自身を除く): 83666842

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 149, 154, 182, 271, 286, 298, 542, 1001, 1043, 1639, 1897, 1937, 2002, 2086, 2981, 3278, 3523, 3794, 3874, 5962, 7046, 11473, 13559, 20867, 21307, 22946, 24661, 27118, 38753, 40379, 41734, 42614, 49322, 77506, 80758, 149149, 271271, 282653, 298298, 444169, 524927, 542542, 565306, 888338, 1049854, 3109183, 3674489, 5774197, 6218366, 7348978, 11548394, 40419379, 80838758]

約数ペア:

[(1, 80838758), (2, 40419379), (7, 11548394), (11, 7348978), (13, 6218366), (14, 5774197), (22, 3674489), (26, 3109183), (77, 1049854), (91, 888338), (143, 565306), (149, 542542), (154, 524927), (182, 444169), (271, 298298), (286, 282653), (298, 271271), (542, 149149), (1001, 80758), (1043, 77506), (1639, 49322), (1897, 42614), (1937, 41734), (2002, 40379), (2086, 38753), (2981, 27118), (3278, 24661), (3523, 22946), (3794, 21307), (3874, 20867), (5962, 13559), (7046, 11473)]