12868235008

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{659}}^1\times {\mathrm{919}}^1$

素因数の和:1677

約数の個数: 72

約数和(自身を含む): 26063452800

約数和(自身を除く): 13195217792

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 659, 664, 919, 1318, 1328, 1838, 2636, 2656, 3676, 5272, 5312, 7352, 10544, 10624, 14704, 21088, 21248, 29408, 42176, 54697, 58816, 76277, 84352, 109394, 117632, 152554, 168704, 218788, 235264, 305108, 437576, 605621, 610216, 875152, 1211242, 1220432, 1750304, 2422484, 2440864, 3500608, 4844968, 4881728, 7001216, 9689936, 9763456, 14002432, 19379872, 19526912, 38759744, 50266543, 77519488, 100533086, 155038976, 201066172, 402132344, 804264688, 1608529376, 3217058752, 6434117504, 12868235008]

約数ペア:

[(1, 12868235008), (2, 6434117504), (4, 3217058752), (8, 1608529376), (16, 804264688), (32, 402132344), (64, 201066172), (83, 155038976), (128, 100533086), (166, 77519488), (256, 50266543), (332, 38759744), (659, 19526912), (664, 19379872), (919, 14002432), (1318, 9763456), (1328, 9689936), (1838, 7001216), (2636, 4881728), (2656, 4844968), (3676, 3500608), (5272, 2440864), (5312, 2422484), (7352, 1750304), (10544, 1220432), (10624, 1211242), (14704, 875152), (21088, 610216), (21248, 605621), (29408, 437576), (42176, 305108), (54697, 235264), (58816, 218788), (76277, 168704), (84352, 152554), (109394, 117632)]