648778832

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{239933}}^1$

素因数の和:239967

約数の個数: 30

約数和(自身を含む): 1361145582

約数和(自身を除く): 712366750

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 239933, 479866, 959732, 1919464, 3119129, 3838928, 6238258, 12476516, 24953032, 40548677, 49906064, 81097354, 162194708, 324389416, 648778832]

約数ペア:

[(1, 648778832), (2, 324389416), (4, 162194708), (8, 81097354), (13, 49906064), (16, 40548677), (26, 24953032), (52, 12476516), (104, 6238258), (169, 3838928), (208, 3119129), (338, 1919464), (676, 959732), (1352, 479866), (2704, 239933)]