131221552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2546

約数の個数: 80

約数和(自身を含む): 324479232

約数和(自身を除く): 193257680

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 473, 602, 616, 688, 946, 1204, 1232, 1892, 2408, 2477, 3311, 3784, 4816, 4954, 6622, 7568, 9908, 13244, 17339, 19816, 26488, 27247, 34678, 39632, 52976, 54494, 69356, 106511, 108988, 138712, 190729, 213022, 217976, 277424, 381458, 426044, 435952, 745577, 762916, 852088, 1171621, 1491154, 1525832, 1704176, 2343242, 2982308, 3051664, 4686484, 5964616, 8201347, 9372968, 11929232, 16402694, 18745936, 32805388, 65610776, 131221552]

約数ペア:

[(1, 131221552), (2, 65610776), (4, 32805388), (7, 18745936), (8, 16402694), (11, 11929232), (14, 9372968), (16, 8201347), (22, 5964616), (28, 4686484), (43, 3051664), (44, 2982308), (56, 2343242), (77, 1704176), (86, 1525832), (88, 1491154), (112, 1171621), (154, 852088), (172, 762916), (176, 745577), (301, 435952), (308, 426044), (344, 381458), (473, 277424), (602, 217976), (616, 213022), (688, 190729), (946, 138712), (1204, 108988), (1232, 106511), (1892, 69356), (2408, 54494), (2477, 52976), (3311, 39632), (3784, 34678), (4816, 27247), (4954, 26488), (6622, 19816), (7568, 17339), (9908, 13244)]