679802018

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{20549}}^1$

素因数の和:20714

約数の個数: 32

約数和(自身を含む): 1242864000

約数和(自身を除く): 563061982

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 973, 1946, 2363, 4726, 16541, 20549, 33082, 41098, 143843, 287686, 349333, 698666, 2445331, 2856311, 4890662, 5712622, 19994177, 39988354, 48557287, 97114574, 339901009, 679802018]

約数ペア:

[(1, 679802018), (2, 339901009), (7, 97114574), (14, 48557287), (17, 39988354), (34, 19994177), (119, 5712622), (139, 4890662), (238, 2856311), (278, 2445331), (973, 698666), (1946, 349333), (2363, 287686), (4726, 143843), (16541, 41098), (20549, 33082)]