2016161264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1213}}^1$

素因数の和:1426

約数の個数: 80

約数和(自身を含む): 4311953184

約数和(自身を除く): 2295791920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 131, 208, 244, 262, 488, 524, 793, 976, 1048, 1213, 1586, 1703, 2096, 2426, 3172, 3406, 4852, 6344, 6812, 7991, 9704, 12688, 13624, 15769, 15982, 19408, 27248, 31538, 31964, 63076, 63928, 73993, 103883, 126152, 127856, 147986, 158903, 207766, 252304, 295972, 317806, 415532, 591944, 635612, 831064, 961909, 1183888, 1271224, 1662128, 1923818, 2065739, 2542448, 3847636, 4131478, 7695272, 8262956, 9693083, 15390544, 16525912, 19386166, 33051824, 38772332, 77544664, 126010079, 155089328, 252020158, 504040316, 1008080632, 2016161264]

約数ペア:

[(1, 2016161264), (2, 1008080632), (4, 504040316), (8, 252020158), (13, 155089328), (16, 126010079), (26, 77544664), (52, 38772332), (61, 33051824), (104, 19386166), (122, 16525912), (131, 15390544), (208, 9693083), (244, 8262956), (262, 7695272), (488, 4131478), (524, 3847636), (793, 2542448), (976, 2065739), (1048, 1923818), (1213, 1662128), (1586, 1271224), (1703, 1183888), (2096, 961909), (2426, 831064), (3172, 635612), (3406, 591944), (4852, 415532), (6344, 317806), (6812, 295972), (7991, 252304), (9704, 207766), (12688, 158903), (13624, 147986), (15769, 127856), (15982, 126152), (19408, 103883), (27248, 73993), (31538, 63928), (31964, 63076)]