28691432

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 68567040

約数和(自身を除く): 39875608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 991, 1034, 1316, 1982, 2068, 2632, 3619, 3964, 4136, 6937, 7238, 7928, 10901, 13874, 14476, 21802, 27748, 28952, 43604, 46577, 55496, 76307, 87208, 93154, 152614, 186308, 305228, 326039, 372616, 512347, 610456, 652078, 1024694, 1304156, 2049388, 2608312, 3586429, 4098776, 7172858, 14345716, 28691432]

約数ペア:

[(1, 28691432), (2, 14345716), (4, 7172858), (7, 4098776), (8, 3586429), (11, 2608312), (14, 2049388), (22, 1304156), (28, 1024694), (44, 652078), (47, 610456), (56, 512347), (77, 372616), (88, 326039), (94, 305228), (154, 186308), (188, 152614), (308, 93154), (329, 87208), (376, 76307), (517, 55496), (616, 46577), (658, 43604), (991, 28952), (1034, 27748), (1316, 21802), (1982, 14476), (2068, 13874), (2632, 10901), (3619, 7928), (3964, 7238), (4136, 6937)]