1285187072

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:983

約数の個数: 80

約数和(自身を含む): 2779040880

約数和(自身を除く): 1493853808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 293, 416, 512, 586, 659, 832, 1172, 1318, 1664, 2344, 2636, 3328, 3809, 4688, 5272, 6656, 7618, 8567, 9376, 10544, 15236, 17134, 18752, 21088, 30472, 34268, 37504, 42176, 60944, 68536, 75008, 84352, 121888, 137072, 150016, 168704, 193087, 243776, 274144, 337408, 386174, 487552, 548288, 772348, 975104, 1096576, 1544696, 1950208, 2193152, 2510131, 3089392, 4386304, 5020262, 6178784, 10040524, 12357568, 20081048, 24715136, 40162096, 49430272, 80324192, 98860544, 160648384, 321296768, 642593536, 1285187072]

約数ペア:

[(1, 1285187072), (2, 642593536), (4, 321296768), (8, 160648384), (13, 98860544), (16, 80324192), (26, 49430272), (32, 40162096), (52, 24715136), (64, 20081048), (104, 12357568), (128, 10040524), (208, 6178784), (256, 5020262), (293, 4386304), (416, 3089392), (512, 2510131), (586, 2193152), (659, 1950208), (832, 1544696), (1172, 1096576), (1318, 975104), (1664, 772348), (2344, 548288), (2636, 487552), (3328, 386174), (3809, 337408), (4688, 274144), (5272, 243776), (6656, 193087), (7618, 168704), (8567, 150016), (9376, 137072), (10544, 121888), (15236, 84352), (17134, 75008), (18752, 68536), (21088, 60944), (30472, 42176), (34268, 37504)]