388013392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{4561}}^1$

素因数の和:4991

約数の個数: 40

約数和(自身を含む): 811762280

約数和(自身を除く): 423748888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 818, 1636, 3272, 4561, 5317, 6544, 9122, 10634, 18244, 21268, 36488, 42536, 59293, 72976, 85072, 118586, 237172, 474344, 948688, 1865449, 3730898, 7461796, 14923592, 24250837, 29847184, 48501674, 97003348, 194006696, 388013392]

約数ペア:

[(1, 388013392), (2, 194006696), (4, 97003348), (8, 48501674), (13, 29847184), (16, 24250837), (26, 14923592), (52, 7461796), (104, 3730898), (208, 1865449), (409, 948688), (818, 474344), (1636, 237172), (3272, 118586), (4561, 85072), (5317, 72976), (6544, 59293), (9122, 42536), (10634, 36488), (18244, 21268)]