72021584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109789}}^1$

素因数の和:109838

約数の個数: 20

約数和(自身を含む): 142946580

約数和(自身を除く): 70924996

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 109789, 219578, 439156, 878312, 1756624, 4501349, 9002698, 18005396, 36010792, 72021584]

約数ペア:

[(1, 72021584), (2, 36010792), (4, 18005396), (8, 9002698), (16, 4501349), (41, 1756624), (82, 878312), (164, 439156), (328, 219578), (656, 109789)]