648162724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{640477}}^1$

素因数の和:640515

約数の個数: 24

約数和(自身を含む): 1291203648

約数和(自身を除く): 643040924

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 640477, 1280954, 2561908, 7045247, 14090494, 14730971, 28180988, 29461942, 58923884, 162040681, 324081362, 648162724]

約数ペア:

[(1, 648162724), (2, 324081362), (4, 162040681), (11, 58923884), (22, 29461942), (23, 28180988), (44, 14730971), (46, 14090494), (92, 7045247), (253, 2561908), (506, 1280954), (1012, 640477)]