28481264

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2333}}^1$

素因数の和:2457

約数の個数: 40

約数和(自身を含む): 63671520

約数和(自身を除く): 35190256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 2333, 3052, 4666, 6104, 9332, 12208, 16331, 18664, 32662, 37328, 65324, 130648, 254297, 261296, 508594, 1017188, 1780079, 2034376, 3560158, 4068752, 7120316, 14240632, 28481264]

約数ペア:

[(1, 28481264), (2, 14240632), (4, 7120316), (7, 4068752), (8, 3560158), (14, 2034376), (16, 1780079), (28, 1017188), (56, 508594), (109, 261296), (112, 254297), (218, 130648), (436, 65324), (763, 37328), (872, 32662), (1526, 18664), (1744, 16331), (2333, 12208), (3052, 9332), (4666, 6104)]