638144

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:97

約数の個数: 42

約数和(自身を含む): 1394460

約数和(自身を除く): 756316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 169, 208, 236, 338, 416, 472, 676, 767, 832, 944, 1352, 1534, 1888, 2704, 3068, 3776, 5408, 6136, 9971, 10816, 12272, 19942, 24544, 39884, 49088, 79768, 159536, 319072, 638144]

約数ペア:

[(1, 638144), (2, 319072), (4, 159536), (8, 79768), (13, 49088), (16, 39884), (26, 24544), (32, 19942), (52, 12272), (59, 10816), (64, 9971), (104, 6136), (118, 5408), (169, 3776), (208, 3068), (236, 2704), (338, 1888), (416, 1534), (472, 1352), (676, 944), (767, 832)]