890995075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{8699}}^1$

素因数の和:8967

約数の個数: 24

約数和(自身を含む): 1174813200

約数和(自身を除く): 283818125

約数列:

[1, 5, 17, 25, 85, 241, 425, 1205, 4097, 6025, 8699, 20485, 43495, 102425, 147883, 217475, 739415, 2096459, 3697075, 10482295, 35639803, 52411475, 178199015, 890995075]

約数ペア:

[(1, 890995075), (5, 178199015), (17, 52411475), (25, 35639803), (85, 10482295), (241, 3697075), (425, 2096459), (1205, 739415), (4097, 217475), (6025, 147883), (8699, 102425), (20485, 43495)]