289172936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{64663}}^1$

素因数の和:64725

約数の個数: 32

約数和(自身を含む): 597495360

約数和(自身を除く): 308322424

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 64663, 129326, 258652, 517304, 840619, 1681238, 2780509, 3362476, 5561018, 6724952, 11122036, 22244072, 36146617, 72293234, 144586468, 289172936]

約数ペア:

[(1, 289172936), (2, 144586468), (4, 72293234), (8, 36146617), (13, 22244072), (26, 11122036), (43, 6724952), (52, 5561018), (86, 3362476), (104, 2780509), (172, 1681238), (344, 840619), (559, 517304), (1118, 258652), (2236, 129326), (4472, 64663)]