181655908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 386586816

約数和(自身を除く): 204930908

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 157, 172, 217, 301, 314, 434, 602, 628, 868, 961, 1099, 1204, 1333, 1922, 2198, 2666, 3844, 4396, 4867, 5332, 6727, 6751, 9331, 9734, 13454, 13502, 18662, 19468, 26908, 27004, 34069, 37324, 41323, 47257, 68138, 82646, 94514, 136276, 150877, 165292, 189028, 209281, 289261, 301754, 418562, 578522, 603508, 837124, 1056139, 1157044, 1464967, 2112278, 2929934, 4224556, 5859868, 6487711, 12975422, 25950844, 45413977, 90827954, 181655908]

約数ペア:

[(1, 181655908), (2, 90827954), (4, 45413977), (7, 25950844), (14, 12975422), (28, 6487711), (31, 5859868), (43, 4224556), (62, 2929934), (86, 2112278), (124, 1464967), (157, 1157044), (172, 1056139), (217, 837124), (301, 603508), (314, 578522), (434, 418562), (602, 301754), (628, 289261), (868, 209281), (961, 189028), (1099, 165292), (1204, 150877), (1333, 136276), (1922, 94514), (2198, 82646), (2666, 68138), (3844, 47257), (4396, 41323), (4867, 37324), (5332, 34069), (6727, 27004), (6751, 26908), (9331, 19468), (9734, 18662), (13454, 13502)]