81899984

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 161715840

約数和(自身を除く): 79815856

約数列:

[1, 2, 4, 8, 16, 109, 151, 218, 302, 311, 436, 604, 622, 872, 1208, 1244, 1744, 2416, 2488, 4976, 16459, 32918, 33899, 46961, 65836, 67798, 93922, 131672, 135596, 187844, 263344, 271192, 375688, 542384, 751376, 5118749, 10237498, 20474996, 40949992, 81899984]

約数ペア:

[(1, 81899984), (2, 40949992), (4, 20474996), (8, 10237498), (16, 5118749), (109, 751376), (151, 542384), (218, 375688), (302, 271192), (311, 263344), (436, 187844), (604, 135596), (622, 131672), (872, 93922), (1208, 67798), (1244, 65836), (1744, 46961), (2416, 33899), (2488, 32918), (4976, 16459)]