199221631

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{2273}}^1$

素因数の和:2958

約数の個数: 16

約数和(自身を含む): 240134400

約数和(自身を除く): 40912769

約数列:

[1, 7, 19, 133, 659, 2273, 4613, 12521, 15911, 43187, 87647, 302309, 1497907, 10485349, 28460233, 199221631]

約数ペア:

[(1, 199221631), (7, 28460233), (19, 10485349), (133, 1497907), (659, 302309), (2273, 87647), (4613, 43187), (12521, 15911)]