78139312

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{19457}}^1$

素因数の和:19716

約数の個数: 20

約数和(自身を含む): 152005896

約数和(自身を除く): 73866584

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 19457, 38914, 77828, 155656, 311312, 4883707, 9767414, 19534828, 39069656, 78139312]

約数ペア:

[(1, 78139312), (2, 39069656), (4, 19534828), (8, 9767414), (16, 4883707), (251, 311312), (502, 155656), (1004, 77828), (2008, 38914), (4016, 19457)]