1947156715

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{4451}}^1$

素因数の和:4923

約数の個数: 32

約数和(自身を含む): 2769500160

約数和(自身を除く): 822343445

約数列:

[1, 5, 7, 29, 35, 145, 203, 431, 1015, 2155, 3017, 4451, 12499, 15085, 22255, 31157, 62495, 87493, 129079, 155785, 437465, 645395, 903553, 1918381, 4517765, 9591905, 13428667, 55633049, 67143335, 278165245, 389431343, 1947156715]

約数ペア:

[(1, 1947156715), (5, 389431343), (7, 278165245), (29, 67143335), (35, 55633049), (145, 13428667), (203, 9591905), (431, 4517765), (1015, 1918381), (2155, 903553), (3017, 645395), (4451, 437465), (12499, 155785), (15085, 129079), (22255, 87493), (31157, 62495)]