511817488

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2239}}^1$

素因数の和:2424

約数の個数: 80

約数和(自身を含む): 1228810240

約数和(自身を除く): 716992752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 157, 182, 208, 314, 364, 628, 728, 1099, 1256, 1456, 2041, 2198, 2239, 2512, 4082, 4396, 4478, 8164, 8792, 8956, 14287, 15673, 16328, 17584, 17912, 28574, 29107, 31346, 32656, 35824, 57148, 58214, 62692, 114296, 116428, 125384, 203749, 228592, 232856, 250768, 351523, 407498, 465712, 703046, 814996, 1406092, 1629992, 2460661, 2812184, 3259984, 4569799, 4921322, 5624368, 9139598, 9842644, 18279196, 19685288, 31988593, 36558392, 39370576, 63977186, 73116784, 127954372, 255908744, 511817488]

約数ペア:

[(1, 511817488), (2, 255908744), (4, 127954372), (7, 73116784), (8, 63977186), (13, 39370576), (14, 36558392), (16, 31988593), (26, 19685288), (28, 18279196), (52, 9842644), (56, 9139598), (91, 5624368), (104, 4921322), (112, 4569799), (157, 3259984), (182, 2812184), (208, 2460661), (314, 1629992), (364, 1406092), (628, 814996), (728, 703046), (1099, 465712), (1256, 407498), (1456, 351523), (2041, 250768), (2198, 232856), (2239, 228592), (2512, 203749), (4082, 125384), (4396, 116428), (4478, 114296), (8164, 62692), (8792, 58214), (8956, 57148), (14287, 35824), (15673, 32656), (16328, 31346), (17584, 29107), (17912, 28574)]