71381128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 167166720

約数和(自身を除く): 95785592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1381, 1846, 1988, 2762, 3692, 3976, 5524, 6461, 7384, 9667, 11048, 12922, 17953, 19334, 25844, 35906, 38668, 51688, 71812, 77336, 98051, 125671, 143624, 196102, 251342, 392204, 502684, 686357, 784408, 1005368, 1274663, 1372714, 2549326, 2745428, 5098652, 5490856, 8922641, 10197304, 17845282, 35690564, 71381128]

約数ペア:

[(1, 71381128), (2, 35690564), (4, 17845282), (7, 10197304), (8, 8922641), (13, 5490856), (14, 5098652), (26, 2745428), (28, 2549326), (52, 1372714), (56, 1274663), (71, 1005368), (91, 784408), (104, 686357), (142, 502684), (182, 392204), (284, 251342), (364, 196102), (497, 143624), (568, 125671), (728, 98051), (923, 77336), (994, 71812), (1381, 51688), (1846, 38668), (1988, 35906), (2762, 25844), (3692, 19334), (3976, 17953), (5524, 12922), (6461, 11048), (7384, 9667)]