200401328

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1787}}^1$

素因数の和:2001

約数の個数: 40

約数和(自身を含む): 399968448

約数和(自身を除く): 199567120

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 326, 344, 652, 688, 1304, 1787, 2608, 3574, 7009, 7148, 14018, 14296, 28036, 28592, 56072, 76841, 112144, 153682, 291281, 307364, 582562, 614728, 1165124, 1229456, 2330248, 4660496, 12525083, 25050166, 50100332, 100200664, 200401328]

約数ペア:

[(1, 200401328), (2, 100200664), (4, 50100332), (8, 25050166), (16, 12525083), (43, 4660496), (86, 2330248), (163, 1229456), (172, 1165124), (326, 614728), (344, 582562), (652, 307364), (688, 291281), (1304, 153682), (1787, 112144), (2608, 76841), (3574, 56072), (7009, 28592), (7148, 28036), (14018, 14296)]