1988978432

素因数分解:

$2^8\times 7^1\times {\mathrm{1109921}}^1$

素因数の和:1109944

約数の個数: 36

約数和(自身を含む): 4537361136

約数和(自身を除く): 2548382704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 1109921, 2219842, 4439684, 7769447, 8879368, 15538894, 17758736, 31077788, 35517472, 62155576, 71034944, 124311152, 142069888, 248622304, 284139776, 497244608, 994489216, 1988978432]

約数ペア:

[(1, 1988978432), (2, 994489216), (4, 497244608), (7, 284139776), (8, 248622304), (14, 142069888), (16, 124311152), (28, 71034944), (32, 62155576), (56, 35517472), (64, 31077788), (112, 17758736), (128, 15538894), (224, 8879368), (256, 7769447), (448, 4439684), (896, 2219842), (1792, 1109921)]