393372512

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{72739}}^1$

素因数の和:72775

約数の個数: 36

約数和(自身を含む): 838619460

約数和(自身を除く): 445246948

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 72739, 145478, 290956, 581912, 945607, 1163824, 1891214, 2327648, 3782428, 7564856, 12292891, 15129712, 24585782, 30259424, 49171564, 98343128, 196686256, 393372512]

約数ペア:

[(1, 393372512), (2, 196686256), (4, 98343128), (8, 49171564), (13, 30259424), (16, 24585782), (26, 15129712), (32, 12292891), (52, 7564856), (104, 3782428), (169, 2327648), (208, 1891214), (338, 1163824), (416, 945607), (676, 581912), (1352, 290956), (2704, 145478), (5408, 72739)]