638514432

素因数分解:

$2^8\times 3^2\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1096

約数の個数: 108

約数和(自身を含む): 1848135744

約数和(自身を除く): 1209621312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 431, 576, 643, 768, 862, 1152, 1286, 1293, 1724, 1929, 2304, 2572, 2586, 3448, 3858, 3879, 5144, 5172, 5787, 6896, 7716, 7758, 10288, 10344, 11574, 13792, 15432, 15516, 20576, 20688, 23148, 27584, 30864, 31032, 41152, 41376, 46296, 55168, 61728, 62064, 82304, 82752, 92592, 110336, 123456, 124128, 164608, 165504, 185184, 246912, 248256, 277133, 331008, 370368, 493824, 496512, 554266, 740736, 831399, 993024, 1108532, 1481472, 1662798, 2217064, 2494197, 3325596, 4434128, 4988394, 6651192, 8868256, 9976788, 13302384, 17736512, 19953576, 26604768, 35473024, 39907152, 53209536, 70946048, 79814304, 106419072, 159628608, 212838144, 319257216, 638514432]

約数ペア:

[(1, 638514432), (2, 319257216), (3, 212838144), (4, 159628608), (6, 106419072), (8, 79814304), (9, 70946048), (12, 53209536), (16, 39907152), (18, 35473024), (24, 26604768), (32, 19953576), (36, 17736512), (48, 13302384), (64, 9976788), (72, 8868256), (96, 6651192), (128, 4988394), (144, 4434128), (192, 3325596), (256, 2494197), (288, 2217064), (384, 1662798), (431, 1481472), (576, 1108532), (643, 993024), (768, 831399), (862, 740736), (1152, 554266), (1286, 496512), (1293, 493824), (1724, 370368), (1929, 331008), (2304, 277133), (2572, 248256), (2586, 246912), (3448, 185184), (3858, 165504), (3879, 164608), (5144, 124128), (5172, 123456), (5787, 110336), (6896, 92592), (7716, 82752), (7758, 82304), (10288, 62064), (10344, 61728), (11574, 55168), (13792, 46296), (15432, 41376), (15516, 41152), (20576, 31032), (20688, 30864), (23148, 27584)]