891438228

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{348763}}^1$

素因数の和:348844

約数の個数: 36

約数和(自身を含む): 2285101728

約数和(自身を除く): 1393663500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 348763, 697526, 1046289, 1395052, 2092578, 3138867, 4185156, 6277734, 12555468, 24762173, 49524346, 74286519, 99048692, 148573038, 222859557, 297146076, 445719114, 891438228]

約数ペア:

[(1, 891438228), (2, 445719114), (3, 297146076), (4, 222859557), (6, 148573038), (9, 99048692), (12, 74286519), (18, 49524346), (36, 24762173), (71, 12555468), (142, 6277734), (213, 4185156), (284, 3138867), (426, 2092578), (639, 1395052), (852, 1046289), (1278, 697526), (2556, 348763)]