12840776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 14738104

約数列:

[1, 2, 4, 8, 13, 26, 37, 47, 52, 71, 74, 94, 104, 142, 148, 188, 284, 296, 376, 481, 568, 611, 923, 962, 1222, 1739, 1846, 1924, 2444, 2627, 3337, 3478, 3692, 3848, 4888, 5254, 6674, 6956, 7384, 10508, 13348, 13912, 21016, 22607, 26696, 34151, 43381, 45214, 68302, 86762, 90428, 123469, 136604, 173524, 180856, 246938, 273208, 347048, 493876, 987752, 1605097, 3210194, 6420388, 12840776]

約数ペア:

[(1, 12840776), (2, 6420388), (4, 3210194), (8, 1605097), (13, 987752), (26, 493876), (37, 347048), (47, 273208), (52, 246938), (71, 180856), (74, 173524), (94, 136604), (104, 123469), (142, 90428), (148, 86762), (188, 68302), (284, 45214), (296, 43381), (376, 34151), (481, 26696), (568, 22607), (611, 21016), (923, 13912), (962, 13348), (1222, 10508), (1739, 7384), (1846, 6956), (1924, 6674), (2444, 5254), (2627, 4888), (3337, 3848), (3478, 3692)]