78628408

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{70709}}^1$

素因数の和:70854

約数の個数: 16

約数和(自身を含む): 148491000

約数和(自身を除く): 69862592

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 70709, 141418, 282836, 565672, 9828551, 19657102, 39314204, 78628408]

約数ペア:

[(1, 78628408), (2, 39314204), (4, 19657102), (8, 9828551), (139, 565672), (278, 282836), (556, 141418), (1112, 70709)]