209516356

素因数分解:

$2^2\times 7^2\times {\mathrm{653}}^1\times {\mathrm{1637}}^1$

素因数の和:2308

約数の個数: 36

約数和(自身を含む): 427429548

約数和(自身を除く): 217913192

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 653, 1306, 1637, 2612, 3274, 4571, 6548, 9142, 11459, 18284, 22918, 31997, 45836, 63994, 80213, 127988, 160426, 320852, 1068961, 2137922, 4275844, 7482727, 14965454, 29930908, 52379089, 104758178, 209516356]

約数ペア:

[(1, 209516356), (2, 104758178), (4, 52379089), (7, 29930908), (14, 14965454), (28, 7482727), (49, 4275844), (98, 2137922), (196, 1068961), (653, 320852), (1306, 160426), (1637, 127988), (2612, 80213), (3274, 63994), (4571, 45836), (6548, 31997), (9142, 22918), (11459, 18284)]