408087290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{6869}}^1$

素因数の和:7346

約数の個数: 32

約数和(自身を含む): 792907920

約数和(自身を除く): 384820630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 914, 2285, 4570, 5941, 6869, 11882, 13738, 29705, 34345, 59410, 68690, 89297, 178594, 446485, 892970, 3139133, 6278266, 15695665, 31391330, 40808729, 81617458, 204043645, 408087290]

約数ペア:

[(1, 408087290), (2, 204043645), (5, 81617458), (10, 40808729), (13, 31391330), (26, 15695665), (65, 6278266), (130, 3139133), (457, 892970), (914, 446485), (2285, 178594), (4570, 89297), (5941, 68690), (6869, 59410), (11882, 34345), (13738, 29705)]