401899004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{249317}}^1$

素因数の和:249365

約数の個数: 24

約数和(自身を含む): 781861248

約数和(自身を除く): 379962244

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 249317, 498634, 997268, 3241121, 6482242, 7728827, 12964484, 15457654, 30915308, 100474751, 200949502, 401899004]

約数ペア:

[(1, 401899004), (2, 200949502), (4, 100474751), (13, 30915308), (26, 15457654), (31, 12964484), (52, 7728827), (62, 6482242), (124, 3241121), (403, 997268), (806, 498634), (1612, 249317)]