1285687312

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12536

約数の個数: 80

約数和(自身を含む): 3109300992

約数和(自身を除く): 1823613680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3976, 6461, 7384, 7952, 12437, 12922, 14768, 24874, 25844, 49748, 51688, 87059, 99496, 103376, 161681, 174118, 198992, 323362, 348236, 646724, 696472, 883027, 1131767, 1293448, 1392944, 1766054, 2263534, 2586896, 3532108, 4527068, 6181189, 7064216, 9054136, 11479351, 12362378, 14128432, 18108272, 22958702, 24724756, 45917404, 49449512, 80355457, 91834808, 98899024, 160710914, 183669616, 321421828, 642843656, 1285687312]

約数ペア:

[(1, 1285687312), (2, 642843656), (4, 321421828), (7, 183669616), (8, 160710914), (13, 98899024), (14, 91834808), (16, 80355457), (26, 49449512), (28, 45917404), (52, 24724756), (56, 22958702), (71, 18108272), (91, 14128432), (104, 12362378), (112, 11479351), (142, 9054136), (182, 7064216), (208, 6181189), (284, 4527068), (364, 3532108), (497, 2586896), (568, 2263534), (728, 1766054), (923, 1392944), (994, 1293448), (1136, 1131767), (1456, 883027), (1846, 696472), (1988, 646724), (3692, 348236), (3976, 323362), (6461, 198992), (7384, 174118), (7952, 161681), (12437, 103376), (12922, 99496), (14768, 87059), (24874, 51688), (25844, 49748)]