218978532

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:890

約数の個数: 96

約数和(自身を含む): 591212160

約数和(自身を除く): 372233628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 61, 86, 108, 122, 129, 172, 183, 244, 258, 366, 387, 516, 549, 732, 773, 774, 1098, 1161, 1546, 1548, 1647, 2196, 2319, 2322, 2623, 3092, 3294, 4638, 4644, 5246, 6588, 6957, 7869, 9276, 10492, 13914, 15738, 20871, 23607, 27828, 31476, 33239, 41742, 47153, 47214, 66478, 70821, 83484, 94306, 94428, 99717, 132956, 141459, 141642, 188612, 199434, 282918, 283284, 299151, 398868, 424377, 565836, 598302, 848754, 897453, 1196604, 1273131, 1697508, 1794906, 2027579, 2546262, 3589812, 4055158, 5092524, 6082737, 8110316, 12165474, 18248211, 24330948, 36496422, 54744633, 72992844, 109489266, 218978532]

約数ペア:

[(1, 218978532), (2, 109489266), (3, 72992844), (4, 54744633), (6, 36496422), (9, 24330948), (12, 18248211), (18, 12165474), (27, 8110316), (36, 6082737), (43, 5092524), (54, 4055158), (61, 3589812), (86, 2546262), (108, 2027579), (122, 1794906), (129, 1697508), (172, 1273131), (183, 1196604), (244, 897453), (258, 848754), (366, 598302), (387, 565836), (516, 424377), (549, 398868), (732, 299151), (773, 283284), (774, 282918), (1098, 199434), (1161, 188612), (1546, 141642), (1548, 141459), (1647, 132956), (2196, 99717), (2319, 94428), (2322, 94306), (2623, 83484), (3092, 70821), (3294, 66478), (4638, 47214), (4644, 47153), (5246, 41742), (6588, 33239), (6957, 31476), (7869, 27828), (9276, 23607), (10492, 20871), (13914, 15738)]