81407044

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 144610200

約数和(自身を除く): 63203156

約数列:

[1, 2, 4, 137, 149, 274, 298, 548, 596, 997, 1994, 3988, 20413, 40826, 81652, 136589, 148553, 273178, 297106, 546356, 594212, 20351761, 40703522, 81407044]

約数ペア:

[(1, 81407044), (2, 40703522), (4, 20351761), (137, 594212), (149, 546356), (274, 297106), (298, 273178), (548, 148553), (596, 136589), (997, 81652), (1994, 40826), (3988, 20413)]