78680212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 152578944

約数和(自身を除く): 73898732

約数列:

[1, 2, 4, 13, 26, 52, 71, 101, 142, 202, 211, 284, 404, 422, 844, 923, 1313, 1846, 2626, 2743, 3692, 5252, 5486, 7171, 10972, 14342, 14981, 21311, 28684, 29962, 42622, 59924, 85244, 93223, 186446, 194753, 277043, 372892, 389506, 554086, 779012, 1108172, 1513081, 3026162, 6052324, 19670053, 39340106, 78680212]

約数ペア:

[(1, 78680212), (2, 39340106), (4, 19670053), (13, 6052324), (26, 3026162), (52, 1513081), (71, 1108172), (101, 779012), (142, 554086), (202, 389506), (211, 372892), (284, 277043), (404, 194753), (422, 186446), (844, 93223), (923, 85244), (1313, 59924), (1846, 42622), (2626, 29962), (2743, 28684), (3692, 21311), (5252, 14981), (5486, 14342), (7171, 10972)]