289128532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 646486400

約数和(自身を除く): 357357868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 121, 122, 154, 242, 244, 308, 427, 484, 671, 847, 854, 1342, 1399, 1694, 1708, 2684, 2798, 3388, 4697, 5596, 7381, 9394, 9793, 14762, 15389, 18788, 19586, 29524, 30778, 39172, 51667, 61556, 85339, 103334, 107723, 169279, 170678, 206668, 215446, 338558, 341356, 430892, 597373, 677116, 938729, 1184953, 1194746, 1877458, 2369906, 2389492, 3754916, 4739812, 6571103, 10326019, 13142206, 20652038, 26284412, 41304076, 72282133, 144564266, 289128532]

約数ペア:

[(1, 289128532), (2, 144564266), (4, 72282133), (7, 41304076), (11, 26284412), (14, 20652038), (22, 13142206), (28, 10326019), (44, 6571103), (61, 4739812), (77, 3754916), (121, 2389492), (122, 2369906), (154, 1877458), (242, 1194746), (244, 1184953), (308, 938729), (427, 677116), (484, 597373), (671, 430892), (847, 341356), (854, 338558), (1342, 215446), (1399, 206668), (1694, 170678), (1708, 169279), (2684, 107723), (2798, 103334), (3388, 85339), (4697, 61556), (5596, 51667), (7381, 39172), (9394, 30778), (9793, 29524), (14762, 19586), (15389, 18788)]