66821508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 184556736

約数和(自身を除く): 117735228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2011, 2556, 2769, 3692, 4022, 5538, 6033, 8044, 8307, 11076, 12066, 16614, 18099, 24132, 26143, 33228, 36198, 52286, 72396, 78429, 104572, 142781, 156858, 235287, 285562, 313716, 428343, 470574, 571124, 856686, 941148, 1285029, 1713372, 1856153, 2570058, 3712306, 5140116, 5568459, 7424612, 11136918, 16705377, 22273836, 33410754, 66821508]

約数ペア:

[(1, 66821508), (2, 33410754), (3, 22273836), (4, 16705377), (6, 11136918), (9, 7424612), (12, 5568459), (13, 5140116), (18, 3712306), (26, 2570058), (36, 1856153), (39, 1713372), (52, 1285029), (71, 941148), (78, 856686), (117, 571124), (142, 470574), (156, 428343), (213, 313716), (234, 285562), (284, 235287), (426, 156858), (468, 142781), (639, 104572), (852, 78429), (923, 72396), (1278, 52286), (1846, 36198), (2011, 33228), (2556, 26143), (2769, 24132), (3692, 18099), (4022, 16614), (5538, 12066), (6033, 11076), (8044, 8307)]