261231684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163679}}^1$

素因数の和:163712

約数の個数: 48

約数和(自身を含む): 733286400

約数和(自身を除く): 472054716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 163679, 327358, 491037, 654716, 982074, 1145753, 1964148, 2291506, 3109901, 3437259, 4583012, 6219802, 6874518, 9329703, 12439604, 13749036, 18659406, 21769307, 37318812, 43538614, 65307921, 87077228, 130615842, 261231684]

約数ペア:

[(1, 261231684), (2, 130615842), (3, 87077228), (4, 65307921), (6, 43538614), (7, 37318812), (12, 21769307), (14, 18659406), (19, 13749036), (21, 12439604), (28, 9329703), (38, 6874518), (42, 6219802), (57, 4583012), (76, 3437259), (84, 3109901), (114, 2291506), (133, 1964148), (228, 1145753), (266, 982074), (399, 654716), (532, 491037), (798, 327358), (1596, 163679)]