291215804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 567168000

約数和(自身を除く): 275952196

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 199, 316, 398, 421, 796, 842, 869, 1684, 1738, 2189, 3476, 4378, 4631, 8756, 9262, 15721, 18524, 31442, 33259, 62884, 66518, 83779, 133036, 167558, 172931, 335116, 345862, 365849, 691724, 731698, 921569, 1463396, 1843138, 3686276, 6618541, 13237082, 26474164, 72803951, 145607902, 291215804]

約数ペア:

[(1, 291215804), (2, 145607902), (4, 72803951), (11, 26474164), (22, 13237082), (44, 6618541), (79, 3686276), (158, 1843138), (199, 1463396), (316, 921569), (398, 731698), (421, 691724), (796, 365849), (842, 345862), (869, 335116), (1684, 172931), (1738, 167558), (2189, 133036), (3476, 83779), (4378, 66518), (4631, 62884), (8756, 33259), (9262, 31442), (15721, 18524)]