25681004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 45864000

約数和(自身を除く): 20182996

約数列:

[1, 2, 4, 79, 158, 181, 316, 362, 449, 724, 898, 1796, 14299, 28598, 35471, 57196, 70942, 81269, 141884, 162538, 325076, 6420251, 12840502, 25681004]

約数ペア:

[(1, 25681004), (2, 12840502), (4, 6420251), (79, 325076), (158, 162538), (181, 141884), (316, 81269), (362, 70942), (449, 57196), (724, 35471), (898, 28598), (1796, 14299)]