221888368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{10357}}^1$

素因数の和:10481

約数の個数: 40

約数和(自身を含む): 467518688

約数和(自身を除く): 245630320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10357, 10712, 20714, 21424, 41428, 82856, 134641, 165712, 269282, 538564, 1066771, 1077128, 2133542, 2154256, 4267084, 8534168, 13868023, 17068336, 27736046, 55472092, 110944184, 221888368]

約数ペア:

[(1, 221888368), (2, 110944184), (4, 55472092), (8, 27736046), (13, 17068336), (16, 13868023), (26, 8534168), (52, 4267084), (103, 2154256), (104, 2133542), (206, 1077128), (208, 1066771), (412, 538564), (824, 269282), (1339, 165712), (1648, 134641), (2678, 82856), (5356, 41428), (10357, 21424), (10712, 20714)]