259322388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1905

約数の個数: 72

約数和(自身を含む): 664808256

約数和(自身を除く): 405485868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 169, 213, 284, 338, 426, 507, 676, 852, 923, 1014, 1801, 1846, 2028, 2769, 3602, 3692, 5403, 5538, 7204, 10806, 11076, 11999, 21612, 23413, 23998, 35997, 46826, 47996, 70239, 71994, 93652, 127871, 140478, 143988, 255742, 280956, 304369, 383613, 511484, 608738, 767226, 913107, 1217476, 1534452, 1662323, 1826214, 3324646, 3652428, 4986969, 6649292, 9973938, 19947876, 21610199, 43220398, 64830597, 86440796, 129661194, 259322388]

約数ペア:

[(1, 259322388), (2, 129661194), (3, 86440796), (4, 64830597), (6, 43220398), (12, 21610199), (13, 19947876), (26, 9973938), (39, 6649292), (52, 4986969), (71, 3652428), (78, 3324646), (142, 1826214), (156, 1662323), (169, 1534452), (213, 1217476), (284, 913107), (338, 767226), (426, 608738), (507, 511484), (676, 383613), (852, 304369), (923, 280956), (1014, 255742), (1801, 143988), (1846, 140478), (2028, 127871), (2769, 93652), (3602, 71994), (3692, 70239), (5403, 47996), (5538, 46826), (7204, 35997), (10806, 23998), (11076, 23413), (11999, 21612)]