1968747815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 2536665984

約数和(自身を除く): 567918169

約数列:

[1, 5, 17, 85, 151, 157, 755, 785, 977, 2567, 2669, 4885, 12835, 13345, 16609, 23707, 83045, 118535, 147527, 153389, 403019, 737635, 766945, 2015095, 2507959, 2607613, 12539795, 13038065, 23161739, 115808695, 393749563, 1968747815]

約数ペア:

[(1, 1968747815), (5, 393749563), (17, 115808695), (85, 23161739), (151, 13038065), (157, 12539795), (755, 2607613), (785, 2507959), (977, 2015095), (2567, 766945), (2669, 737635), (4885, 403019), (12835, 153389), (13345, 147527), (16609, 118535), (23707, 83045)]