28194376

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 63360000

約数和(自身を除く): 35165624

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 109, 124, 149, 217, 218, 248, 298, 434, 436, 596, 763, 868, 872, 1043, 1192, 1526, 1736, 2086, 3052, 3379, 4172, 4619, 6104, 6758, 8344, 9238, 13516, 16241, 18476, 23653, 27032, 32333, 32482, 36952, 47306, 64666, 64964, 94612, 113687, 129332, 129928, 189224, 227374, 258664, 454748, 503471, 909496, 1006942, 2013884, 3524297, 4027768, 7048594, 14097188, 28194376]

約数ペア:

[(1, 28194376), (2, 14097188), (4, 7048594), (7, 4027768), (8, 3524297), (14, 2013884), (28, 1006942), (31, 909496), (56, 503471), (62, 454748), (109, 258664), (124, 227374), (149, 189224), (217, 129928), (218, 129332), (248, 113687), (298, 94612), (434, 64964), (436, 64666), (596, 47306), (763, 36952), (868, 32482), (872, 32333), (1043, 27032), (1192, 23653), (1526, 18476), (1736, 16241), (2086, 13516), (3052, 9238), (3379, 8344), (4172, 6758), (4619, 6104)]