28668738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 68640768

約数和(自身を除く): 39972030

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 97, 186, 194, 217, 227, 291, 434, 454, 582, 651, 679, 681, 1302, 1358, 1362, 1589, 2037, 3007, 3178, 4074, 4767, 6014, 7037, 9021, 9534, 14074, 18042, 21049, 21111, 22019, 42098, 42222, 44038, 49259, 63147, 66057, 98518, 126294, 132114, 147777, 154133, 295554, 308266, 462399, 682589, 924798, 1365178, 2047767, 4095534, 4778123, 9556246, 14334369, 28668738]

約数ペア:

[(1, 28668738), (2, 14334369), (3, 9556246), (6, 4778123), (7, 4095534), (14, 2047767), (21, 1365178), (31, 924798), (42, 682589), (62, 462399), (93, 308266), (97, 295554), (186, 154133), (194, 147777), (217, 132114), (227, 126294), (291, 98518), (434, 66057), (454, 63147), (582, 49259), (651, 44038), (679, 42222), (681, 42098), (1302, 22019), (1358, 21111), (1362, 21049), (1589, 18042), (2037, 14074), (3007, 9534), (3178, 9021), (4074, 7037), (4767, 6014)]