1778519860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6840461}}^1$

素因数の和:6840483

約数の個数: 24

約数和(自身を含む): 4022191656

約数和(自身を除く): 2243671796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6840461, 13680922, 27361844, 34202305, 68404610, 88925993, 136809220, 177851986, 355703972, 444629965, 889259930, 1778519860]

約数ペア:

[(1, 1778519860), (2, 889259930), (4, 444629965), (5, 355703972), (10, 177851986), (13, 136809220), (20, 88925993), (26, 68404610), (52, 34202305), (65, 27361844), (130, 13680922), (260, 6840461)]