220408384

素因数分解:

$2^6\times 7^1\times {\mathrm{491983}}^1$

素因数の和:492002

約数の個数: 28

約数和(自身を含む): 499855744

約数和(自身を除く): 279447360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 491983, 983966, 1967932, 3443881, 3935864, 6887762, 7871728, 13775524, 15743456, 27551048, 31486912, 55102096, 110204192, 220408384]

約数ペア:

[(1, 220408384), (2, 110204192), (4, 55102096), (7, 31486912), (8, 27551048), (14, 15743456), (16, 13775524), (28, 7871728), (32, 6887762), (56, 3935864), (64, 3443881), (112, 1967932), (224, 983966), (448, 491983)]