489328904

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{1997}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 929669400

約数和(自身を除く): 440340496

約数列:

[1, 2, 4, 8, 109, 218, 281, 436, 562, 872, 1124, 1997, 2248, 3994, 7988, 15976, 30629, 61258, 122516, 217673, 245032, 435346, 561157, 870692, 1122314, 1741384, 2244628, 4489256, 61166113, 122332226, 244664452, 489328904]

約数ペア:

[(1, 489328904), (2, 244664452), (4, 122332226), (8, 61166113), (109, 4489256), (218, 2244628), (281, 1741384), (436, 1122314), (562, 870692), (872, 561157), (1124, 435346), (1997, 245032), (2248, 217673), (3994, 122516), (7988, 61258), (15976, 30629)]