247037714

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 481423824

約数和(自身を除く): 234386110

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 83, 98, 121, 154, 166, 242, 251, 502, 539, 581, 847, 913, 1078, 1162, 1694, 1757, 1826, 2761, 3514, 4067, 5522, 5929, 6391, 8134, 10043, 11858, 12299, 12782, 19327, 20086, 20833, 24598, 30371, 38654, 41666, 44737, 60742, 70301, 89474, 135289, 140602, 145831, 212597, 229163, 270578, 291662, 425194, 458326, 492107, 984214, 1020817, 1488179, 1604141, 2041634, 2520793, 2976358, 3208282, 5041586, 11228987, 17645551, 22457974, 35291102, 123518857, 247037714]

約数ペア:

[(1, 247037714), (2, 123518857), (7, 35291102), (11, 22457974), (14, 17645551), (22, 11228987), (49, 5041586), (77, 3208282), (83, 2976358), (98, 2520793), (121, 2041634), (154, 1604141), (166, 1488179), (242, 1020817), (251, 984214), (502, 492107), (539, 458326), (581, 425194), (847, 291662), (913, 270578), (1078, 229163), (1162, 212597), (1694, 145831), (1757, 140602), (1826, 135289), (2761, 89474), (3514, 70301), (4067, 60742), (5522, 44737), (5929, 41666), (6391, 38654), (8134, 30371), (10043, 24598), (11858, 20833), (12299, 20086), (12782, 19327)]