1219308

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1885332

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 139, 172, 204, 258, 278, 417, 516, 556, 731, 834, 1462, 1668, 2193, 2363, 2924, 4386, 4726, 5977, 7089, 8772, 9452, 11954, 14178, 17931, 23908, 28356, 35862, 71724, 101609, 203218, 304827, 406436, 609654, 1219308]

約数ペア:

[(1, 1219308), (2, 609654), (3, 406436), (4, 304827), (6, 203218), (12, 101609), (17, 71724), (34, 35862), (43, 28356), (51, 23908), (68, 17931), (86, 14178), (102, 11954), (129, 9452), (139, 8772), (172, 7089), (204, 5977), (258, 4726), (278, 4386), (417, 2924), (516, 2363), (556, 2193), (731, 1668), (834, 1462)]