646436196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{16339}}^1$

素因数の和:16513

約数の個数: 72

約数和(自身を含む): 1879492160

約数和(自身を除く): 1233055964

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, 16339, 19782, 32678, 39564, 49017, 65356, 98034, 114373, 147051, 196068, 228746, 294102, 343119, 457492, 588204, 686238, 1029357, 1372476, 2058714, 2565223, 4117428, 5130446, 7695669, 10260892, 15391338, 17956561, 23087007, 30782676, 35913122, 46174014, 53869683, 71826244, 92348028, 107739366, 161609049, 215478732, 323218098, 646436196]

約数ペア:

[(1, 646436196), (2, 323218098), (3, 215478732), (4, 161609049), (6, 107739366), (7, 92348028), (9, 71826244), (12, 53869683), (14, 46174014), (18, 35913122), (21, 30782676), (28, 23087007), (36, 17956561), (42, 15391338), (63, 10260892), (84, 7695669), (126, 5130446), (157, 4117428), (252, 2565223), (314, 2058714), (471, 1372476), (628, 1029357), (942, 686238), (1099, 588204), (1413, 457492), (1884, 343119), (2198, 294102), (2826, 228746), (3297, 196068), (4396, 147051), (5652, 114373), (6594, 98034), (9891, 65356), (13188, 49017), (16339, 39564), (19782, 32678)]