219853914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73727}}^1$

素因数の和:73810

約数の個数: 32

約数和(自身を含む): 509607936

約数和(自身を除く): 289754022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 73727, 147454, 221181, 442362, 516089, 1032178, 1548267, 3096534, 5234617, 10469234, 15703851, 31407702, 36642319, 73284638, 109926957, 219853914]

約数ペア:

[(1, 219853914), (2, 109926957), (3, 73284638), (6, 36642319), (7, 31407702), (14, 15703851), (21, 10469234), (42, 5234617), (71, 3096534), (142, 1548267), (213, 1032178), (426, 516089), (497, 442362), (994, 221181), (1491, 147454), (2982, 73727)]