291220147765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1\times {\mathrm{587}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 379113799680

約数和(自身を除く): 87893651915

約数列:

[1, 5, 23, 31, 115, 155, 317, 439, 587, 713, 1585, 2195, 2935, 3565, 7291, 9827, 10097, 13501, 13609, 18197, 36455, 49135, 50485, 67505, 68045, 90985, 139163, 186079, 226021, 257693, 313007, 418531, 695815, 930395, 1130105, 1288465, 1565035, 2092655, 3200749, 4279817, 4314053, 5768449, 5926939, 7988483, 16003745, 21399085, 21570265, 28842245, 29634695, 39942415, 81688681, 99223219, 132674327, 183735109, 408443405, 496116095, 663371635, 918675545, 1878839663, 2532349111, 9394198315, 12661745555, 58244029553, 291220147765]

約数ペア:

[(1, 291220147765), (5, 58244029553), (23, 12661745555), (31, 9394198315), (115, 2532349111), (155, 1878839663), (317, 918675545), (439, 663371635), (587, 496116095), (713, 408443405), (1585, 183735109), (2195, 132674327), (2935, 99223219), (3565, 81688681), (7291, 39942415), (9827, 29634695), (10097, 28842245), (13501, 21570265), (13609, 21399085), (18197, 16003745), (36455, 7988483), (49135, 5926939), (50485, 5768449), (67505, 4314053), (68045, 4279817), (90985, 3200749), (139163, 2092655), (186079, 1565035), (226021, 1288465), (257693, 1130105), (313007, 930395), (418531, 695815)]