123151930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{1153}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 242284608

約数和(自身を除く): 119132678

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 971, 1153, 1942, 2306, 4855, 5765, 9710, 10681, 11530, 12683, 21362, 25366, 53405, 63415, 106810, 126830, 1119563, 2239126, 5597815, 11195630, 12315193, 24630386, 61575965, 123151930]

約数ペア:

[(1, 123151930), (2, 61575965), (5, 24630386), (10, 12315193), (11, 11195630), (22, 5597815), (55, 2239126), (110, 1119563), (971, 126830), (1153, 106810), (1942, 63415), (2306, 53405), (4855, 25366), (5765, 21362), (9710, 12683), (10681, 11530)]