778865388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{28183}}^1$

素因数の和:28251

約数の個数: 72

約数和(自身を含む): 2159119872

約数和(自身を除く): 1380254484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1316, 1974, 2303, 3948, 4606, 6909, 9212, 13818, 27636, 28183, 56366, 84549, 112732, 169098, 197281, 338196, 394562, 591843, 789124, 1183686, 1324601, 1380967, 2367372, 2649202, 2761934, 3973803, 4142901, 5298404, 5523868, 7947606, 8285802, 9272207, 15895212, 16571604, 18544414, 27816621, 37088828, 55633242, 64905449, 111266484, 129810898, 194716347, 259621796, 389432694, 778865388]

約数ペア:

[(1, 778865388), (2, 389432694), (3, 259621796), (4, 194716347), (6, 129810898), (7, 111266484), (12, 64905449), (14, 55633242), (21, 37088828), (28, 27816621), (42, 18544414), (47, 16571604), (49, 15895212), (84, 9272207), (94, 8285802), (98, 7947606), (141, 5523868), (147, 5298404), (188, 4142901), (196, 3973803), (282, 2761934), (294, 2649202), (329, 2367372), (564, 1380967), (588, 1324601), (658, 1183686), (987, 789124), (1316, 591843), (1974, 394562), (2303, 338196), (3948, 197281), (4606, 169098), (6909, 112732), (9212, 84549), (13818, 56366), (27636, 28183)]