81840696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11329}}^1$

素因数の和:11388

約数の個数: 64

約数和(自身を含む): 239289600

約数和(自身を除く): 157448904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 11329, 22658, 33987, 45316, 67974, 79303, 90632, 135948, 158606, 237909, 271896, 317212, 475818, 487147, 634424, 951636, 974294, 1461441, 1903272, 1948588, 2922882, 3410029, 3897176, 5845764, 6820058, 10230087, 11691528, 13640116, 20460174, 27280232, 40920348, 81840696]

約数ペア:

[(1, 81840696), (2, 40920348), (3, 27280232), (4, 20460174), (6, 13640116), (7, 11691528), (8, 10230087), (12, 6820058), (14, 5845764), (21, 3897176), (24, 3410029), (28, 2922882), (42, 1948588), (43, 1903272), (56, 1461441), (84, 974294), (86, 951636), (129, 634424), (168, 487147), (172, 475818), (258, 317212), (301, 271896), (344, 237909), (516, 158606), (602, 135948), (903, 90632), (1032, 79303), (1204, 67974), (1806, 45316), (2408, 33987), (3612, 22658), (7224, 11329)]