28147168

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 72

約数和(自身を含む): 66792600

約数和(自身を除く): 38645432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 406, 464, 619, 784, 812, 928, 1238, 1421, 1568, 1624, 2476, 2842, 3248, 4333, 4952, 5684, 6496, 8666, 9904, 11368, 17332, 17951, 19808, 22736, 30331, 34664, 35902, 45472, 60662, 69328, 71804, 121324, 125657, 138656, 143608, 242648, 251314, 287216, 485296, 502628, 574432, 879599, 970592, 1005256, 1759198, 2010512, 3518396, 4021024, 7036792, 14073584, 28147168]

約数ペア:

[(1, 28147168), (2, 14073584), (4, 7036792), (7, 4021024), (8, 3518396), (14, 2010512), (16, 1759198), (28, 1005256), (29, 970592), (32, 879599), (49, 574432), (56, 502628), (58, 485296), (98, 287216), (112, 251314), (116, 242648), (196, 143608), (203, 138656), (224, 125657), (232, 121324), (392, 71804), (406, 69328), (464, 60662), (619, 45472), (784, 35902), (812, 34664), (928, 30331), (1238, 22736), (1421, 19808), (1568, 17951), (1624, 17332), (2476, 11368), (2842, 9904), (3248, 8666), (4333, 6496), (4952, 5684)]