28911688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2699}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 58968000

約数和(自身を除く): 30056312

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 2699, 5356, 5398, 10712, 10796, 21592, 35087, 70174, 140348, 277997, 280696, 555994, 1111988, 2223976, 3613961, 7227922, 14455844, 28911688]

約数ペア:

[(1, 28911688), (2, 14455844), (4, 7227922), (8, 3613961), (13, 2223976), (26, 1111988), (52, 555994), (103, 280696), (104, 277997), (206, 140348), (412, 70174), (824, 35087), (1339, 21592), (2678, 10796), (2699, 10712), (5356, 5398)]