399957578

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 625302720

約数和(自身を除く): 225345142

約数列:

[1, 2, 59, 83, 97, 118, 166, 194, 421, 842, 4897, 5723, 8051, 9794, 11446, 16102, 24839, 34943, 40837, 49678, 69886, 81674, 475009, 950018, 2061637, 2409383, 3389471, 4123274, 4818766, 6778942, 199978789, 399957578]

約数ペア:

[(1, 399957578), (2, 199978789), (59, 6778942), (83, 4818766), (97, 4123274), (118, 3389471), (166, 2409383), (194, 2061637), (421, 950018), (842, 475009), (4897, 81674), (5723, 69886), (8051, 49678), (9794, 40837), (11446, 34943), (16102, 24839)]