209715354

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 461260800

約数和(自身を除く): 251545446

約数列:

[1, 2, 3, 6, 9, 18, 127, 199, 254, 381, 398, 461, 597, 762, 922, 1143, 1194, 1383, 1791, 2286, 2766, 3582, 4149, 8298, 25273, 50546, 58547, 75819, 91739, 117094, 151638, 175641, 183478, 227457, 275217, 351282, 454914, 526923, 550434, 825651, 1053846, 1651302, 11650853, 23301706, 34952559, 69905118, 104857677, 209715354]

約数ペア:

[(1, 209715354), (2, 104857677), (3, 69905118), (6, 34952559), (9, 23301706), (18, 11650853), (127, 1651302), (199, 1053846), (254, 825651), (381, 550434), (398, 526923), (461, 454914), (597, 351282), (762, 275217), (922, 227457), (1143, 183478), (1194, 175641), (1383, 151638), (1791, 117094), (2286, 91739), (2766, 75819), (3582, 58547), (4149, 50546), (8298, 25273)]