259348225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 327267000

約数和(自身を除く): 67918775

約数列:

[1, 5, 25, 89, 229, 445, 509, 1145, 2225, 2545, 5725, 12725, 20381, 45301, 101905, 116561, 226505, 509525, 582805, 1132525, 2914025, 10373929, 51869645, 259348225]

約数ペア:

[(1, 259348225), (5, 51869645), (25, 10373929), (89, 2914025), (229, 1132525), (445, 582805), (509, 509525), (1145, 226505), (2225, 116561), (2545, 101905), (5725, 45301), (12725, 20381)]