397432776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1273823}}^1$

素因数の和:1273845

約数の個数: 32

約数和(自身を含む): 1070012160

約数和(自身を除く): 672579384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1273823, 2547646, 3821469, 5095292, 7642938, 10190584, 15285876, 16559699, 30571752, 33119398, 49679097, 66238796, 99358194, 132477592, 198716388, 397432776]

約数ペア:

[(1, 397432776), (2, 198716388), (3, 132477592), (4, 99358194), (6, 66238796), (8, 49679097), (12, 33119398), (13, 30571752), (24, 16559699), (26, 15285876), (39, 10190584), (52, 7642938), (78, 5095292), (104, 3821469), (156, 2547646), (312, 1273823)]