78297156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 227747520

約数和(自身を除く): 149450364

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, 1979, 2198, 2826, 3297, 3958, 4396, 5652, 5937, 6594, 7916, 9891, 11874, 13188, 13853, 17811, 19782, 23748, 27706, 35622, 39564, 41559, 55412, 71244, 83118, 124677, 166236, 249354, 310703, 498708, 621406, 932109, 1242812, 1864218, 2174921, 2796327, 3728436, 4349842, 5592654, 6524763, 8699684, 11185308, 13049526, 19574289, 26099052, 39148578, 78297156]

約数ペア:

[(1, 78297156), (2, 39148578), (3, 26099052), (4, 19574289), (6, 13049526), (7, 11185308), (9, 8699684), (12, 6524763), (14, 5592654), (18, 4349842), (21, 3728436), (28, 2796327), (36, 2174921), (42, 1864218), (63, 1242812), (84, 932109), (126, 621406), (157, 498708), (252, 310703), (314, 249354), (471, 166236), (628, 124677), (942, 83118), (1099, 71244), (1413, 55412), (1884, 41559), (1979, 39564), (2198, 35622), (2826, 27706), (3297, 23748), (3958, 19782), (4396, 17811), (5652, 13853), (5937, 13188), (6594, 11874), (7916, 9891)]