399966288

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{117361}}^1$

素因数の和:117443

約数の個数: 40

約数和(自身を含む): 1047807936

約数和(自身を除く): 647841648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 117361, 234722, 352083, 469444, 704166, 938888, 1408332, 1877776, 2816664, 5633328, 8332631, 16665262, 24997893, 33330524, 49995786, 66661048, 99991572, 133322096, 199983144, 399966288]

約数ペア:

[(1, 399966288), (2, 199983144), (3, 133322096), (4, 99991572), (6, 66661048), (8, 49995786), (12, 33330524), (16, 24997893), (24, 16665262), (48, 8332631), (71, 5633328), (142, 2816664), (213, 1877776), (284, 1408332), (426, 938888), (568, 704166), (852, 469444), (1136, 352083), (1704, 234722), (3408, 117361)]