221437892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{2383}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 417734016

約数和(自身を除く): 196296124

約数列:

[1, 2, 4, 13, 26, 52, 1787, 2383, 3574, 4766, 7148, 9532, 23231, 30979, 46462, 61958, 92924, 123916, 4258421, 8516842, 17033684, 55359473, 110718946, 221437892]

約数ペア:

[(1, 221437892), (2, 110718946), (4, 55359473), (13, 17033684), (26, 8516842), (52, 4258421), (1787, 123916), (2383, 92924), (3574, 61958), (4766, 46462), (7148, 30979), (9532, 23231)]