13213655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 19764864

約数和(自身を除く): 6551209

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 257, 455, 565, 791, 1285, 1469, 1799, 3341, 3955, 7345, 8995, 10283, 16705, 23387, 29041, 51415, 116935, 145205, 203287, 377533, 1016435, 1887665, 2642731, 13213655]

約数ペア:

[(1, 13213655), (5, 2642731), (7, 1887665), (13, 1016435), (35, 377533), (65, 203287), (91, 145205), (113, 116935), (257, 51415), (455, 29041), (565, 23387), (791, 16705), (1285, 10283), (1469, 8995), (1799, 7345), (3341, 3955)]