780235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 1013760

約数和(自身を除く): 233525

約数列:

[1, 5, 19, 43, 95, 191, 215, 817, 955, 3629, 4085, 8213, 18145, 41065, 156047, 780235]

約数ペア:

[(1, 780235), (5, 156047), (19, 41065), (43, 18145), (95, 8213), (191, 4085), (215, 3629), (817, 955)]