30927778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 55802880

約数和(自身を除く): 24875102

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 691, 973, 1382, 1946, 3197, 4837, 6394, 9674, 15893, 22379, 31786, 44758, 96049, 111251, 192098, 222502, 672343, 1344686, 2209127, 4418254, 15463889, 30927778]

約数ペア:

[(1, 30927778), (2, 15463889), (7, 4418254), (14, 2209127), (23, 1344686), (46, 672343), (139, 222502), (161, 192098), (278, 111251), (322, 96049), (691, 44758), (973, 31786), (1382, 22379), (1946, 15893), (3197, 9674), (4837, 6394)]