30781786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1193}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 56165760

約数和(自身を除く): 25383974

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 194, 266, 679, 1193, 1358, 1843, 2386, 3686, 8351, 12901, 16702, 22667, 25802, 45334, 115721, 158669, 231442, 317338, 810047, 1620094, 2198699, 4397398, 15390893, 30781786]

約数ペア:

[(1, 30781786), (2, 15390893), (7, 4397398), (14, 2198699), (19, 1620094), (38, 810047), (97, 317338), (133, 231442), (194, 158669), (266, 115721), (679, 45334), (1193, 25802), (1358, 22667), (1843, 16702), (2386, 12901), (3686, 8351)]