2038456

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 4428000

約数和(自身を除く): 2389544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 409, 623, 712, 818, 1246, 1636, 2492, 2863, 3272, 4984, 5726, 11452, 22904, 36401, 72802, 145604, 254807, 291208, 509614, 1019228, 2038456]

約数ペア:

[(1, 2038456), (2, 1019228), (4, 509614), (7, 291208), (8, 254807), (14, 145604), (28, 72802), (56, 36401), (89, 22904), (178, 11452), (356, 5726), (409, 4984), (623, 3272), (712, 2863), (818, 2492), (1246, 1636)]