1235456

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 40

約数和(自身を含む): 2618880

約数和(自身を除く): 1383424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 256, 304, 508, 512, 608, 1016, 1216, 2032, 2413, 2432, 4064, 4826, 4864, 8128, 9652, 9728, 16256, 19304, 32512, 38608, 65024, 77216, 154432, 308864, 617728, 1235456]

約数ペア:

[(1, 1235456), (2, 617728), (4, 308864), (8, 154432), (16, 77216), (19, 65024), (32, 38608), (38, 32512), (64, 19304), (76, 16256), (127, 9728), (128, 9652), (152, 8128), (254, 4864), (256, 4826), (304, 4064), (508, 2432), (512, 2413), (608, 2032), (1016, 1216)]