256397248

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{210853}}^1$

素因数の和:210884

約数の個数: 28

約数和(自身を含む): 535569160

約数和(自身を除く): 279171912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 210853, 421706, 843412, 1686824, 3373648, 4006207, 6747296, 8012414, 13494592, 16024828, 32049656, 64099312, 128198624, 256397248]

約数ペア:

[(1, 256397248), (2, 128198624), (4, 64099312), (8, 32049656), (16, 16024828), (19, 13494592), (32, 8012414), (38, 6747296), (64, 4006207), (76, 3373648), (152, 1686824), (304, 843412), (608, 421706), (1216, 210853)]