257965656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{63601}}^1$

素因数の和:63636

約数の個数: 48

約数和(自身を含む): 698349960

約数和(自身を除く): 440384304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 63601, 127202, 190803, 254404, 381606, 508808, 763212, 826813, 1526424, 1653626, 2480439, 3307252, 4960878, 6614504, 9921756, 10748569, 19843512, 21497138, 32245707, 42994276, 64491414, 85988552, 128982828, 257965656]

約数ペア:

[(1, 257965656), (2, 128982828), (3, 85988552), (4, 64491414), (6, 42994276), (8, 32245707), (12, 21497138), (13, 19843512), (24, 10748569), (26, 9921756), (39, 6614504), (52, 4960878), (78, 3307252), (104, 2480439), (156, 1653626), (169, 1526424), (312, 826813), (338, 763212), (507, 508808), (676, 381606), (1014, 254404), (1352, 190803), (2028, 127202), (4056, 63601)]