257203456

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{52879}}^1$

素因数の和:52914

約数の個数: 36

約数和(自身を含む): 540433600

約数和(自身を除く): 283230144

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 52879, 105758, 211516, 423032, 846064, 1004701, 1692128, 2009402, 3384256, 4018804, 6768512, 8037608, 13537024, 16075216, 32150432, 64300864, 128601728, 257203456]

約数ペア:

[(1, 257203456), (2, 128601728), (4, 64300864), (8, 32150432), (16, 16075216), (19, 13537024), (32, 8037608), (38, 6768512), (64, 4018804), (76, 3384256), (128, 2009402), (152, 1692128), (256, 1004701), (304, 846064), (608, 423032), (1216, 211516), (2432, 105758), (4864, 52879)]