642272176

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{441121}}^1$

素因数の和:441149

約数の個数: 40

約数和(自身を含む): 1531575584

約数和(自身を除く): 889303408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 441121, 882242, 1764484, 3087847, 3528968, 5734573, 6175694, 7057936, 11469146, 12351388, 22938292, 24702776, 40142011, 45876584, 49405552, 80284022, 91753168, 160568044, 321136088, 642272176]

約数ペア:

[(1, 642272176), (2, 321136088), (4, 160568044), (7, 91753168), (8, 80284022), (13, 49405552), (14, 45876584), (16, 40142011), (26, 24702776), (28, 22938292), (52, 12351388), (56, 11469146), (91, 7057936), (104, 6175694), (112, 5734573), (182, 3528968), (208, 3087847), (364, 1764484), (728, 882242), (1456, 441121)]