2218972

素因数分解:

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

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4829440

約数和(自身を除く): 2610468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 97, 133, 172, 194, 266, 301, 388, 532, 602, 679, 817, 1204, 1358, 1634, 1843, 2716, 3268, 3686, 4171, 5719, 7372, 8342, 11438, 12901, 16684, 22876, 25802, 29197, 51604, 58394, 79249, 116788, 158498, 316996, 554743, 1109486, 2218972]

約数ペア:

[(1, 2218972), (2, 1109486), (4, 554743), (7, 316996), (14, 158498), (19, 116788), (28, 79249), (38, 58394), (43, 51604), (76, 29197), (86, 25802), (97, 22876), (133, 16684), (172, 12901), (194, 11438), (266, 8342), (301, 7372), (388, 5719), (532, 4171), (602, 3686), (679, 3268), (817, 2716), (1204, 1843), (1358, 1634)]