28103810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4139}}^1$

素因数の和:4250

約数の個数: 32

約数和(自身を含む): 58423680

約数和(自身を除く): 30319870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 4139, 6790, 8278, 20695, 28973, 41390, 57946, 144865, 289730, 401483, 802966, 2007415, 2810381, 4014830, 5620762, 14051905, 28103810]

約数ペア:

[(1, 28103810), (2, 14051905), (5, 5620762), (7, 4014830), (10, 2810381), (14, 2007415), (35, 802966), (70, 401483), (97, 289730), (194, 144865), (485, 57946), (679, 41390), (970, 28973), (1358, 20695), (3395, 8278), (4139, 6790)]