289311412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{23279}}^1$

素因数の和:23535

約数の個数: 24

約数和(自身を含む): 547545600

約数和(自身を除く): 258234188

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428, 23279, 46558, 93116, 302627, 605254, 1210508, 5563681, 11127362, 22254724, 72327853, 144655706, 289311412]

約数ペア:

[(1, 289311412), (2, 144655706), (4, 72327853), (13, 22254724), (26, 11127362), (52, 5563681), (239, 1210508), (478, 605254), (956, 302627), (3107, 93116), (6214, 46558), (12428, 23279)]