80708404

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 84401996

約数列:

[1, 2, 4, 7, 14, 28, 89, 139, 178, 233, 278, 356, 466, 556, 623, 932, 973, 1246, 1631, 1946, 2492, 3262, 3892, 6524, 12371, 20737, 24742, 32387, 41474, 49484, 64774, 82948, 86597, 129548, 145159, 173194, 226709, 290318, 346388, 453418, 580636, 906836, 2882443, 5764886, 11529772, 20177101, 40354202, 80708404]

約数ペア:

[(1, 80708404), (2, 40354202), (4, 20177101), (7, 11529772), (14, 5764886), (28, 2882443), (89, 906836), (139, 580636), (178, 453418), (233, 346388), (278, 290318), (356, 226709), (466, 173194), (556, 145159), (623, 129548), (932, 86597), (973, 82948), (1246, 64774), (1631, 49484), (1946, 41474), (2492, 32387), (3262, 24742), (3892, 20737), (6524, 12371)]