129457184

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{212923}}^1$

素因数の和:212952

約数の個数: 24

約数和(自身を含む): 268284240

約数和(自身を除く): 138827056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 212923, 425846, 851692, 1703384, 3406768, 4045537, 6813536, 8091074, 16182148, 32364296, 64728592, 129457184]

約数ペア:

[(1, 129457184), (2, 64728592), (4, 32364296), (8, 16182148), (16, 8091074), (19, 6813536), (32, 4045537), (38, 3406768), (76, 1703384), (152, 851692), (304, 425846), (608, 212923)]