187447910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21521}}^1$

素因数の和:21608

約数の個数: 32

約数和(自身を含む): 368800992

約数和(自身を除く): 181353082

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 21521, 43042, 107605, 215210, 279773, 559546, 1398865, 1441907, 2797730, 2883814, 7209535, 14419070, 18744791, 37489582, 93723955, 187447910]

約数ペア:

[(1, 187447910), (2, 93723955), (5, 37489582), (10, 18744791), (13, 14419070), (26, 7209535), (65, 2883814), (67, 2797730), (130, 1441907), (134, 1398865), (335, 559546), (670, 279773), (871, 215210), (1742, 107605), (4355, 43042), (8710, 21521)]