217876868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{133831}}^1$

素因数の和:133883

約数の個数: 24

約数和(自身を含む): 427191744

約数和(自身を除く): 209314876

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 133831, 267662, 535324, 1472141, 2944282, 4951747, 5888564, 9903494, 19806988, 54469217, 108938434, 217876868]

約数ペア:

[(1, 217876868), (2, 108938434), (4, 54469217), (11, 19806988), (22, 9903494), (37, 5888564), (44, 4951747), (74, 2944282), (148, 1472141), (407, 535324), (814, 267662), (1628, 133831)]