1289552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 2892672

約数和(自身を除く): 1603120

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 431, 748, 862, 1496, 1724, 2992, 3448, 4741, 6896, 7327, 9482, 14654, 18964, 29308, 37928, 58616, 75856, 80597, 117232, 161194, 322388, 644776, 1289552]

約数ペア:

[(1, 1289552), (2, 644776), (4, 322388), (8, 161194), (11, 117232), (16, 80597), (17, 75856), (22, 58616), (34, 37928), (44, 29308), (68, 18964), (88, 14654), (136, 9482), (176, 7327), (187, 6896), (272, 4741), (374, 3448), (431, 2992), (748, 1724), (862, 1496)]