218990412

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{28559}}^1$

素因数の和:28643

約数の個数: 48

約数和(自身を含む): 575769600

約数和(自身を除く): 356779188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 28559, 57118, 85677, 114236, 171354, 257031, 342708, 514062, 771093, 1028124, 1542186, 2027689, 3084372, 4055378, 6083067, 8110756, 12166134, 18249201, 24332268, 36498402, 54747603, 72996804, 109495206, 218990412]

約数ペア:

[(1, 218990412), (2, 109495206), (3, 72996804), (4, 54747603), (6, 36498402), (9, 24332268), (12, 18249201), (18, 12166134), (27, 8110756), (36, 6083067), (54, 4055378), (71, 3084372), (108, 2027689), (142, 1542186), (213, 1028124), (284, 771093), (426, 514062), (639, 342708), (852, 257031), (1278, 171354), (1917, 114236), (2556, 85677), (3834, 57118), (7668, 28559)]