1995917

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:78

約数の個数: 24

約数和(自身を含む): 2654400

約数和(自身を除く): 658483

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 343, 529, 539, 1127, 1771, 3703, 3773, 5819, 7889, 12397, 25921, 40733, 86779, 181447, 285131, 1995917]

約数ペア:

[(1, 1995917), (7, 285131), (11, 181447), (23, 86779), (49, 40733), (77, 25921), (161, 12397), (253, 7889), (343, 5819), (529, 3773), (539, 3703), (1127, 1771)]