31290448

素因数分解:

$2^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 69549120

約数和(自身を除く): 38258672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 491, 569, 982, 1138, 1964, 2276, 3437, 3928, 3983, 4552, 6874, 7856, 7966, 9104, 13748, 15932, 27496, 31864, 54992, 63728, 279379, 558758, 1117516, 1955653, 2235032, 3911306, 4470064, 7822612, 15645224, 31290448]

約数ペア:

[(1, 31290448), (2, 15645224), (4, 7822612), (7, 4470064), (8, 3911306), (14, 2235032), (16, 1955653), (28, 1117516), (56, 558758), (112, 279379), (491, 63728), (569, 54992), (982, 31864), (1138, 27496), (1964, 15932), (2276, 13748), (3437, 9104), (3928, 7966), (3983, 7856), (4552, 6874)]