28741328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 42504112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 451, 569, 574, 616, 656, 902, 1138, 1148, 1232, 1804, 2276, 2296, 3157, 3608, 3983, 4552, 4592, 6259, 6314, 7216, 7966, 9104, 12518, 12628, 15932, 23329, 25036, 25256, 31864, 43813, 46658, 50072, 50512, 63728, 87626, 93316, 100144, 163303, 175252, 186632, 256619, 326606, 350504, 373264, 513238, 653212, 701008, 1026476, 1306424, 1796333, 2052952, 2612848, 3592666, 4105904, 7185332, 14370664, 28741328]

約数ペア:

[(1, 28741328), (2, 14370664), (4, 7185332), (7, 4105904), (8, 3592666), (11, 2612848), (14, 2052952), (16, 1796333), (22, 1306424), (28, 1026476), (41, 701008), (44, 653212), (56, 513238), (77, 373264), (82, 350504), (88, 326606), (112, 256619), (154, 186632), (164, 175252), (176, 163303), (287, 100144), (308, 93316), (328, 87626), (451, 63728), (569, 50512), (574, 50072), (616, 46658), (656, 43813), (902, 31864), (1138, 25256), (1148, 25036), (1232, 23329), (1804, 15932), (2276, 12628), (2296, 12518), (3157, 9104), (3608, 7966), (3983, 7216), (4552, 6314), (4592, 6259)]