127878947

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 161137152

約数和(自身を除く): 33258205

約数列:

[1, 7, 17, 43, 67, 119, 301, 373, 469, 731, 1139, 2611, 2881, 5117, 6341, 7973, 16039, 20167, 24991, 44387, 48977, 112273, 174937, 272663, 342839, 424847, 1074613, 1908641, 2973929, 7522291, 18268421, 127878947]

約数ペア:

[(1, 127878947), (7, 18268421), (17, 7522291), (43, 2973929), (67, 1908641), (119, 1074613), (301, 424847), (373, 342839), (469, 272663), (731, 174937), (1139, 112273), (2611, 48977), (2881, 44387), (5117, 24991), (6341, 20167), (7973, 16039)]