1991748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 5160960

約数和(自身を除く): 3169212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 191, 237, 316, 382, 474, 573, 764, 869, 948, 1146, 1738, 2101, 2292, 2607, 3476, 4202, 5214, 6303, 8404, 10428, 12606, 15089, 25212, 30178, 45267, 60356, 90534, 165979, 181068, 331958, 497937, 663916, 995874, 1991748]

約数ペア:

[(1, 1991748), (2, 995874), (3, 663916), (4, 497937), (6, 331958), (11, 181068), (12, 165979), (22, 90534), (33, 60356), (44, 45267), (66, 30178), (79, 25212), (132, 15089), (158, 12606), (191, 10428), (237, 8404), (316, 6303), (382, 5214), (474, 4202), (573, 3476), (764, 2607), (869, 2292), (948, 2101), (1146, 1738)]