157818256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12073}}^1$

素因数の和:12143

約数の個数: 40

約数和(自身を含む): 329378720

約数和(自身を除く): 171560464

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 12073, 13072, 24146, 48292, 96584, 193168, 229387, 458774, 519139, 917548, 1038278, 1835096, 2076556, 3670192, 4153112, 8306224, 9863641, 19727282, 39454564, 78909128, 157818256]

約数ペア:

[(1, 157818256), (2, 78909128), (4, 39454564), (8, 19727282), (16, 9863641), (19, 8306224), (38, 4153112), (43, 3670192), (76, 2076556), (86, 1835096), (152, 1038278), (172, 917548), (304, 519139), (344, 458774), (688, 229387), (817, 193168), (1634, 96584), (3268, 48292), (6536, 24146), (12073, 13072)]