155561728

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 362621952

約数和(自身を除く): 207060224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 376, 448, 658, 752, 896, 1316, 1504, 1792, 1847, 2632, 3008, 3694, 5264, 6016, 7388, 10528, 12032, 12929, 14776, 21056, 25858, 29552, 42112, 51716, 59104, 84224, 86809, 103432, 118208, 173618, 206864, 236416, 347236, 413728, 472832, 607663, 694472, 827456, 1215326, 1388944, 1654912, 2430652, 2777888, 3309824, 4861304, 5555776, 9722608, 11111552, 19445216, 22223104, 38890432, 77780864, 155561728]

約数ペア:

[(1, 155561728), (2, 77780864), (4, 38890432), (7, 22223104), (8, 19445216), (14, 11111552), (16, 9722608), (28, 5555776), (32, 4861304), (47, 3309824), (56, 2777888), (64, 2430652), (94, 1654912), (112, 1388944), (128, 1215326), (188, 827456), (224, 694472), (256, 607663), (329, 472832), (376, 413728), (448, 347236), (658, 236416), (752, 206864), (896, 173618), (1316, 118208), (1504, 103432), (1792, 86809), (1847, 84224), (2632, 59104), (3008, 51716), (3694, 42112), (5264, 29552), (6016, 25858), (7388, 21056), (10528, 14776), (12032, 12929)]