28111916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 30594004

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 217, 233, 278, 434, 466, 556, 868, 932, 973, 1631, 1946, 3262, 3892, 4309, 6524, 7223, 8618, 14446, 17236, 28892, 30163, 32387, 50561, 60326, 64774, 101122, 120652, 129548, 202244, 226709, 453418, 906836, 1003997, 2007994, 4015988, 7027979, 14055958, 28111916]

約数ペア:

[(1, 28111916), (2, 14055958), (4, 7027979), (7, 4015988), (14, 2007994), (28, 1003997), (31, 906836), (62, 453418), (124, 226709), (139, 202244), (217, 129548), (233, 120652), (278, 101122), (434, 64774), (466, 60326), (556, 50561), (868, 32387), (932, 30163), (973, 28892), (1631, 17236), (1946, 14446), (3262, 8618), (3892, 7223), (4309, 6524)]