138045000656

素因数分解:

$2^4\times {\mathrm{21713}}^1\times {\mathrm{397357}}^1$

素因数の和:419078

約数の個数: 20

約数和(自身を含む): 267475179972

約数和(自身を除く): 129430179316

約数列:

[1, 2, 4, 8, 16, 21713, 43426, 86852, 173704, 347408, 397357, 794714, 1589428, 3178856, 6357712, 8627812541, 17255625082, 34511250164, 69022500328, 138045000656]

約数ペア:

[(1, 138045000656), (2, 69022500328), (4, 34511250164), (8, 17255625082), (16, 8627812541), (21713, 6357712), (43426, 3178856), (86852, 1589428), (173704, 794714), (347408, 397357)]