13457455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 19206720

約数和(自身を除く): 5749265

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 389, 407, 629, 935, 1945, 2035, 3145, 4279, 6613, 6919, 14393, 21395, 33065, 34595, 71965, 72743, 158323, 244681, 363715, 791615, 1223405, 2691491, 13457455]

約数ペア:

[(1, 13457455), (5, 2691491), (11, 1223405), (17, 791615), (37, 363715), (55, 244681), (85, 158323), (185, 72743), (187, 71965), (389, 34595), (407, 33065), (629, 21395), (935, 14393), (1945, 6919), (2035, 6613), (3145, 4279)]