66478105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 85708800

約数和(自身を除く): 19230695

約数列:

[1, 5, 31, 61, 79, 89, 155, 305, 395, 445, 1891, 2449, 2759, 4819, 5429, 7031, 9455, 12245, 13795, 24095, 27145, 35155, 149389, 168299, 217961, 428891, 746945, 841495, 1089805, 2144455, 13295621, 66478105]

約数ペア:

[(1, 66478105), (5, 13295621), (31, 2144455), (61, 1089805), (79, 841495), (89, 746945), (155, 428891), (305, 217961), (395, 168299), (445, 149389), (1891, 35155), (2449, 27145), (2759, 24095), (4819, 13795), (5429, 12245), (7031, 9455)]