15661929647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{8581}}^1$

素因数の和:9279

約数の個数: 32

約数和(自身を含む): 19931111424

約数和(自身を除く): 4269181777

約数列:

[1, 7, 13, 31, 91, 217, 403, 647, 2821, 4529, 8411, 8581, 20057, 58877, 60067, 111553, 140399, 260741, 266011, 780871, 1825187, 1862077, 3458143, 5551907, 24207001, 38863349, 72174791, 172109117, 505223537, 1204763819, 2237418521, 15661929647]

約数ペア:

[(1, 15661929647), (7, 2237418521), (13, 1204763819), (31, 505223537), (91, 172109117), (217, 72174791), (403, 38863349), (647, 24207001), (2821, 5551907), (4529, 3458143), (8411, 1862077), (8581, 1825187), (20057, 780871), (58877, 266011), (60067, 260741), (111553, 140399)]