980128

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 24

約数和(自身を含む): 1954260

約数和(自身を除く): 974132

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 281, 436, 562, 872, 1124, 1744, 2248, 3488, 4496, 8992, 30629, 61258, 122516, 245032, 490064, 980128]

約数ペア:

[(1, 980128), (2, 490064), (4, 245032), (8, 122516), (16, 61258), (32, 30629), (109, 8992), (218, 4496), (281, 3488), (436, 2248), (562, 1744), (872, 1124)]