201981664

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 409313520

約数和(自身を除く): 207331856

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 229, 344, 458, 641, 688, 916, 1282, 1376, 1832, 2564, 3664, 5128, 7328, 9847, 10256, 19694, 20512, 27563, 39388, 55126, 78776, 110252, 146789, 157552, 220504, 293578, 315104, 441008, 587156, 882016, 1174312, 2348624, 4697248, 6311927, 12623854, 25247708, 50495416, 100990832, 201981664]

約数ペア:

[(1, 201981664), (2, 100990832), (4, 50495416), (8, 25247708), (16, 12623854), (32, 6311927), (43, 4697248), (86, 2348624), (172, 1174312), (229, 882016), (344, 587156), (458, 441008), (641, 315104), (688, 293578), (916, 220504), (1282, 157552), (1376, 146789), (1832, 110252), (2564, 78776), (3664, 55126), (5128, 39388), (7328, 27563), (9847, 20512), (10256, 19694)]