670800208

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{248077}}^1$

素因数の和:248111

約数の個数: 30

約数和(自身を含む): 1407346494

約数和(自身を除く): 736546286

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 248077, 496154, 992308, 1984616, 3225001, 3969232, 6450002, 12900004, 25800008, 41925013, 51600016, 83850026, 167700052, 335400104, 670800208]

約数ペア:

[(1, 670800208), (2, 335400104), (4, 167700052), (8, 83850026), (13, 51600016), (16, 41925013), (26, 25800008), (52, 12900004), (104, 6450002), (169, 3969232), (208, 3225001), (338, 1984616), (676, 992308), (1352, 496154), (2704, 248077)]