1219243788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{30817}}^1$

素因数の和:30991

約数の個数: 72

約数和(自身を含む): 3544809632

約数和(自身を除く): 2325565844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6594, 9891, 13188, 19782, 30817, 39564, 61634, 92451, 123268, 184902, 215719, 277353, 369804, 431438, 554706, 647157, 862876, 1109412, 1294314, 1941471, 2588628, 3882942, 4838269, 7765884, 9676538, 14514807, 19353076, 29029614, 33867883, 43544421, 58059228, 67735766, 87088842, 101603649, 135471532, 174177684, 203207298, 304810947, 406414596, 609621894, 1219243788]

約数ペア:

[(1, 1219243788), (2, 609621894), (3, 406414596), (4, 304810947), (6, 203207298), (7, 174177684), (9, 135471532), (12, 101603649), (14, 87088842), (18, 67735766), (21, 58059228), (28, 43544421), (36, 33867883), (42, 29029614), (63, 19353076), (84, 14514807), (126, 9676538), (157, 7765884), (252, 4838269), (314, 3882942), (471, 2588628), (628, 1941471), (942, 1294314), (1099, 1109412), (1413, 862876), (1884, 647157), (2198, 554706), (2826, 431438), (3297, 369804), (4396, 277353), (5652, 215719), (6594, 184902), (9891, 123268), (13188, 92451), (19782, 61634), (30817, 39564)]