219493352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{39821}}^1$

素因数の和:39893

約数の個数: 32

約数和(自身を含む): 451581480

約数和(自身を除く): 232088128

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 39821, 79642, 159284, 318568, 517673, 1035346, 2070692, 2110513, 4141384, 4221026, 8442052, 16884104, 27436669, 54873338, 109746676, 219493352]

約数ペア:

[(1, 219493352), (2, 109746676), (4, 54873338), (8, 27436669), (13, 16884104), (26, 8442052), (52, 4221026), (53, 4141384), (104, 2110513), (106, 2070692), (212, 1035346), (424, 517673), (689, 318568), (1378, 159284), (2756, 79642), (5512, 39821)]