221308406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3361}}^1$

素因数の和:3488

約数の個数: 32

約数和(自身を含む): 376167456

約数和(自身を除く): 154859050

約数列:

[1, 2, 11, 22, 41, 73, 82, 146, 451, 803, 902, 1606, 2993, 3361, 5986, 6722, 32923, 36971, 65846, 73942, 137801, 245353, 275602, 490706, 1515811, 2698883, 3031622, 5397766, 10059473, 20118946, 110654203, 221308406]

約数ペア:

[(1, 221308406), (2, 110654203), (11, 20118946), (22, 10059473), (41, 5397766), (73, 3031622), (82, 2698883), (146, 1515811), (451, 490706), (803, 275602), (902, 245353), (1606, 137801), (2993, 73942), (3361, 65846), (5986, 36971), (6722, 32923)]