156988909

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 199989440

約数和(自身を除く): 43000531

約数列:

[1, 7, 11, 73, 77, 121, 511, 803, 847, 2539, 5621, 8833, 17773, 27929, 61831, 185347, 195503, 307219, 1297429, 2038817, 2150533, 14271719, 22426987, 156988909]

約数ペア:

[(1, 156988909), (7, 22426987), (11, 14271719), (73, 2150533), (77, 2038817), (121, 1297429), (511, 307219), (803, 195503), (847, 185347), (2539, 61831), (5621, 27929), (8833, 17773)]