1991132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 4164216

約数和(自身を除く): 2173084

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 236, 286, 572, 649, 767, 1298, 1534, 2596, 3068, 3481, 6962, 8437, 13924, 16874, 33748, 38291, 45253, 76582, 90506, 153164, 181012, 497783, 995566, 1991132]

約数ペア:

[(1, 1991132), (2, 995566), (4, 497783), (11, 181012), (13, 153164), (22, 90506), (26, 76582), (44, 45253), (52, 38291), (59, 33748), (118, 16874), (143, 13924), (236, 8437), (286, 6962), (572, 3481), (649, 3068), (767, 2596), (1298, 1534)]