27963208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 65560320

約数和(自身を除く): 37597112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 541, 568, 728, 923, 994, 1082, 1846, 1988, 2164, 3692, 3787, 3976, 4328, 6461, 7033, 7384, 7574, 12922, 14066, 15148, 25844, 28132, 30296, 38411, 49231, 51688, 56264, 76822, 98462, 153644, 196924, 268877, 307288, 393848, 499343, 537754, 998686, 1075508, 1997372, 2151016, 3495401, 3994744, 6990802, 13981604, 27963208]

約数ペア:

[(1, 27963208), (2, 13981604), (4, 6990802), (7, 3994744), (8, 3495401), (13, 2151016), (14, 1997372), (26, 1075508), (28, 998686), (52, 537754), (56, 499343), (71, 393848), (91, 307288), (104, 268877), (142, 196924), (182, 153644), (284, 98462), (364, 76822), (497, 56264), (541, 51688), (568, 49231), (728, 38411), (923, 30296), (994, 28132), (1082, 25844), (1846, 15148), (1988, 14066), (2164, 12922), (3692, 7574), (3787, 7384), (3976, 7033), (4328, 6461)]