25859704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 54285120

約数和(自身を除く): 28425416

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 617, 676, 806, 1234, 1352, 1612, 2468, 3224, 4936, 5239, 8021, 10478, 16042, 19127, 20956, 32084, 38254, 41912, 64168, 76508, 104273, 153016, 208546, 248651, 417092, 497302, 834184, 994604, 1989208, 3232463, 6464926, 12929852, 25859704]

約数ペア:

[(1, 25859704), (2, 12929852), (4, 6464926), (8, 3232463), (13, 1989208), (26, 994604), (31, 834184), (52, 497302), (62, 417092), (104, 248651), (124, 208546), (169, 153016), (248, 104273), (338, 76508), (403, 64168), (617, 41912), (676, 38254), (806, 32084), (1234, 20956), (1352, 19127), (1612, 16042), (2468, 10478), (3224, 8021), (4936, 5239)]