13281488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 31176576

約数和(自身を除く): 17895088

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 193, 253, 272, 368, 374, 386, 391, 506, 748, 772, 782, 1012, 1496, 1544, 1564, 2024, 2123, 2992, 3088, 3128, 3281, 4048, 4246, 4301, 4439, 6256, 6562, 8492, 8602, 8878, 13124, 16984, 17204, 17756, 26248, 33968, 34408, 35512, 36091, 48829, 52496, 68816, 71024, 72182, 75463, 97658, 144364, 150926, 195316, 288728, 301852, 390632, 577456, 603704, 781264, 830093, 1207408, 1660186, 3320372, 6640744, 13281488]

約数ペア:

[(1, 13281488), (2, 6640744), (4, 3320372), (8, 1660186), (11, 1207408), (16, 830093), (17, 781264), (22, 603704), (23, 577456), (34, 390632), (44, 301852), (46, 288728), (68, 195316), (88, 150926), (92, 144364), (136, 97658), (176, 75463), (184, 72182), (187, 71024), (193, 68816), (253, 52496), (272, 48829), (368, 36091), (374, 35512), (386, 34408), (391, 33968), (506, 26248), (748, 17756), (772, 17204), (782, 16984), (1012, 13124), (1496, 8878), (1544, 8602), (1564, 8492), (2024, 6562), (2123, 6256), (2992, 4439), (3088, 4301), (3128, 4246), (3281, 4048)]