81230695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 124803072

約数和(自身を除く): 43572377

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 169, 217, 403, 443, 455, 845, 1085, 1183, 2015, 2215, 2821, 3101, 5239, 5759, 5915, 13733, 14105, 15505, 26195, 28795, 36673, 40313, 68665, 74867, 96131, 178529, 183365, 201565, 374335, 480655, 524069, 892645, 1249703, 2320877, 2620345, 6248515, 11604385, 16246139, 81230695]

約数ペア:

[(1, 81230695), (5, 16246139), (7, 11604385), (13, 6248515), (31, 2620345), (35, 2320877), (65, 1249703), (91, 892645), (155, 524069), (169, 480655), (217, 374335), (403, 201565), (443, 183365), (455, 178529), (845, 96131), (1085, 74867), (1183, 68665), (2015, 40313), (2215, 36673), (2821, 28795), (3101, 26195), (5239, 15505), (5759, 14105), (5915, 13733)]