857632678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 1601994240

約数和(自身を除く): 744361562

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 97, 133, 194, 266, 301, 602, 679, 773, 817, 1358, 1546, 1634, 1843, 3686, 4171, 5411, 5719, 8342, 10822, 11438, 12901, 14687, 25802, 29197, 29374, 33239, 58394, 66478, 74981, 79249, 102809, 149962, 158498, 205618, 232673, 465346, 524867, 554743, 631541, 1049734, 1109486, 1263082, 1424639, 2849278, 3224183, 4420787, 6448366, 8841574, 9972473, 19944946, 22569281, 45138562, 61259477, 122518954, 428816339, 857632678]

約数ペア:

[(1, 857632678), (2, 428816339), (7, 122518954), (14, 61259477), (19, 45138562), (38, 22569281), (43, 19944946), (86, 9972473), (97, 8841574), (133, 6448366), (194, 4420787), (266, 3224183), (301, 2849278), (602, 1424639), (679, 1263082), (773, 1109486), (817, 1049734), (1358, 631541), (1546, 554743), (1634, 524867), (1843, 465346), (3686, 232673), (4171, 205618), (5411, 158498), (5719, 149962), (8342, 102809), (10822, 79249), (11438, 74981), (12901, 66478), (14687, 58394), (25802, 33239), (29197, 29374)]