311399645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 418348800

約数和(自身を除く): 106949155

約数列:

[1, 5, 19, 23, 53, 95, 115, 265, 437, 1007, 1219, 2185, 2689, 5035, 6095, 13445, 23161, 51091, 61847, 115805, 142517, 255455, 309235, 712585, 1175093, 2707823, 3277891, 5875465, 13539115, 16389455, 62279929, 311399645]

約数ペア:

[(1, 311399645), (5, 62279929), (19, 16389455), (23, 13539115), (53, 5875465), (95, 3277891), (115, 2707823), (265, 1175093), (437, 712585), (1007, 309235), (1219, 255455), (2185, 142517), (2689, 115805), (5035, 61847), (6095, 51091), (13445, 23161)]