551717725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 792449280

約数和(自身を除く): 240731555

約数列:

[1, 5, 13, 19, 25, 47, 65, 95, 235, 247, 325, 475, 611, 893, 1175, 1235, 1901, 3055, 4465, 6175, 9505, 11609, 15275, 22325, 24713, 36119, 47525, 58045, 89347, 123565, 180595, 290225, 446735, 469547, 617825, 902975, 1161511, 1697593, 2233675, 2347735, 5807555, 8487965, 11738675, 22068709, 29037775, 42439825, 110343545, 551717725]

約数ペア:

[(1, 551717725), (5, 110343545), (13, 42439825), (19, 29037775), (25, 22068709), (47, 11738675), (65, 8487965), (95, 5807555), (235, 2347735), (247, 2233675), (325, 1697593), (475, 1161511), (611, 902975), (893, 617825), (1175, 469547), (1235, 446735), (1901, 290225), (3055, 180595), (4465, 123565), (6175, 89347), (9505, 58045), (11609, 47525), (15275, 36119), (22325, 24713)]